The noun growth is the process of something becoming bigger. If you mentioned the growth of your family, you might mean that babies were born or people got married, increasing your family's size.

Growth is an increase in physical size, like the growth of a sapling into a mature tree. There are other kinds of growth, like your sister's personal growth since she started to meditate every day. Growth can also mean something that has grown, like a growth of stubble on your dad's face or a cancerous growth that needs to be removed surgically. The Old English root word is growan, "to grow or flourish."

Definitions of growth
  1. noun
    (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level
    synonyms: development, growing, maturation, ontogenesis, ontogeny
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    failure of normal development to occur
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    (biology) the growing of microorganisms in a nutrient medium (such as gelatin or agar)
    the developmental process of forming tooth enamel
    the formation of new blood vessels
    (biology) growth in the thickness of a cell wall by the deposit of successive layers of material
    growth from increase in cell size without cell division
    anthesis, blossoming, efflorescence, florescence, flowering, inflorescence
    the time and process of budding and unfolding of blossoms
    caenogenesis, cainogenesis, cenogenesis, kainogenesis, kenogenesis
    introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (such as the addition of the placenta in mammalian evolution)
    (botany) the process in some plants of parts growing together that are usually separate (such as petals)
    the process of fostering the growth of something
    cytogenesis, cytogeny
    the origin and development and variation of cells
    foliation, leafing
    (botany) the process of forming leaves
    the bearing of fruit
    the development and maturation of sex cells through meiosis
    germination, sprouting
    the process whereby seeds or spores sprout and begin to grow
    the general form or mode of growth (especially of a plant or crystal)
    the fruiting stage of the inflorescence
    (biology) growth in the surface area of a cell by the deposit of new particles between existing particles in the cell wall
    the process of growing into a youth
    life cycle
    the course of developmental changes in an organism from fertilized zygote to maturity when another zygote can be produced
    masculinisation, masculinization, virilisation, virilization
    the abnormal development of male sexual characteristics in a female (usually as the result of hormone therapies or adrenal malfunction)
    differentiation and growth of the structure of an organism (or a part of an organism)
    myelinisation, myelinization
    the development of a myelin sheath around a nerve fiber
    the development of nerve tissues
    palingenesis, recapitulation
    emergence during embryonic development of various characters or structures that appeared during the evolutionary history of the strain or species
    growth by the rapid multiplication of parts
    a general term for the origin and development of almost any aspect of the mind
    the development in the life of an individual of some disorder that is caused by psychological rather than physiological factors
    psychomotor development
    progressive acquisition of skills involving both mental and motor activities
    psychosexual development
    (psychoanalysis) the process during which personality and sexual behavior mature through a series of stages: first oral stage and then anal stage and then phallic stage and then latency stage and finally genital stage
    the process of putting forth roots and beginning to grow
    the failure to develop some part or organ
    dentition, odontiasis, teething
    the eruption through the gums of baby teeth
    the development of defects in an embryo
    the process of growth in plants
    a culture containing yeast or bacteria that is used to start the process of fermentation or souring in making butter or cheese or dough
    development of ova
    precocious dentition
    teething at an earlier age than expected
    development of spermatozoa
    type of:
    biological process, organic process
    a process occurring in living organisms
  2. noun
    a progression from simpler to more complex forms
    “the growth of culture”
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    type of:
    development, evolution
    a process in which something passes by degrees to a different stage (especially a more advanced or mature stage)
  3. noun
    a process of becoming larger or longer or more numerous or more important
    “the growth of population”
    synonyms: increase, increment
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    decrease, decrement
    a process of becoming smaller or shorter
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    a process of increasing by addition (as to a collection or group)
    accretion, accumulation
    an increase by natural growth or addition
    (geology) an increase in land resulting from alluvial deposits or waterborne sediment
    (biology) growth by addition as by the adhesion of parts or particles
    (astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases
    a multiplicative increase
    population growth
    increase in the number of people who inhabit a territory or state
    a rapid increase in number (especially a rapid increase in the number of deadly weapons)
    a rapid and abundant increase
    (physiology) the gradual lengthening of inactive muscle or muscle fibers
    broadening, widening
    an increase in width
    an accumulation caused by clogging or a stoppage
    the result of the process of accumulation
    deposit, deposition
    the natural process of laying down a deposit of something
    increase by a factor of two
    a sudden sharp increase in the relative numbers of a population
    increase by a factor of four
    increasing by a factor of five
    increase by a factor of three
    type of:
    physical process, process
    a sustained phenomenon or one marked by gradual changes through a series of states
  4. noun
    the gradual beginning or coming forth
    synonyms: emergence, outgrowth
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    a growth in strength or number or importance
    crime wave
    a sudden rise in the crime rate
    something that rises rapidly
    a sharp rise followed by a sharp decline
    type of:
    the event consisting of the start of something
  5. noun
    something grown or growing
    “a growth of hair”
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    something that grows inward
    type of:
    object, physical object
    a tangible and visible entity; an entity that can cast a shadow
  6. noun
    vegetation that has grown
    “a growth of trees”
    “the only growth was some salt grass”
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    type of:
    botany, flora, vegetation
    all the plant life in a particular region or period
  7. noun
    (pathology) an abnormal proliferation of tissue (as in a tumor)
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    (pathology) an abnormal outgrowth or enlargement of some part of the body
    a benign outgrowth from a bone (usually covered with cartilage)
    polyp, polypus
    a small vascular growth on the surface of a mucous membrane
    the thin process of tissue that attaches a polyp to the body
    neoplasm, tumor, tumour
    an abnormal new mass of tissue that serves no purpose
    a focal growth that resembles a neoplasm but results from faulty development in an organ
    an abnormal growth or excrescence (especially a warty excrescence on the valves of the heart)
    adenomatous polyp
    a polyp that consists of benign neoplastic tissue derived from glandular epithelium
    sessile polyp
    a relatively flat polyp
    pedunculated polyp
    a polyp with a stalk or peduncle
    acanthoma, skin tumor
    a neoplasm originating in the epidermis
    a tumor consisting of a mass of blood or lymphatic vessels
    benign tumor, benign tumour, nonmalignant neoplasm, nonmalignant tumor, nonmalignant tumour
    a tumor that is not cancerous
    blastocytoma, blastoma, embryonal carcinosarcoma
    a tumor composed of immature undifferentiated cells
    brain tumor, brain tumour
    a tumor in the brain
    a small tumor (benign or malignant) arising from the mucosa of the gastrointestinal tract; usually associated with excessive secretion of serotonin
    an abdominal tumor
    a tumor composed of granulation tissue resulting from injury or inflammation or infection
    adipose tumor, lipoma
    a tumor consisting of fatty tissue
    malignant neoplasm, malignant tumor, metastatic tumor
    a tumor that is malignant and tends to spread to other parts of the body
    a tumor arising in the meninges which surround the brain and spinal cord; usually slow growing and sometimes malignant
    neurilemoma, neurofibroma
    tumor of the fibrous covering of a peripheral nerve
    any tumor derived from cells of the nervous system
    phaeochromocytoma, pheochromocytoma
    a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertension
    tumor of the pineal gland
    neoplasm of plasma cells (usually in bone marrow)
    psammoma, sand tumor
    a tumor derived from fibrous tissue of the meninges or choroid plexus or certain other structures associated with the brain; characterized by sandlike particles
    a tumor consisting of a mixture of tissues not normally found at that site
    type of:
    illness, malady, sickness, unwellness
    impairment of normal physiological function affecting part or all of an organism
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