synthetic

Something made of artificial material, not natural items, can be described as synthetic. Some football stadiums have synthetic grass, and a leisure suit from the 1970s might be made of synthetic fabric.

The adjective synthetic usually describes things created by chemical synthesis (synthetic compound, synthetic drug, synthetic material), but it sometimes describes an emotion that is feigned or not genuine. A person who exudes only synthetic friendliness probably isn't someone you want to hang out with, for example.

Definitions of synthetic
  1. noun
    a compound made artificially by chemical reactions
    synonyms: synthetic substance
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    types:
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    Plasticine
    a synthetic material resembling clay but remaining soft; used as a substitute for clay or wax in modeling (especially in schools)
    phosphor
    a synthetic substance that is fluorescent or phosphorescent; used to coat the screens of cathode ray tubes
    rubber, synthetic rubber
    any of various synthetic elastic materials whose properties resemble natural rubber
    silicone rubber
    made from silicone elastomers; retains flexibility resilience and tensile strength over a wide temperature range
    neoprene
    a synthetic rubber that is resistant to oils and aging; used in waterproof products
    buna, buna rubber
    made by polymerizing butadiene
    butyl rubber
    synthetic rubber made by polymerizing isobutylene
    type of:
    chemical compound, compound
    (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
  2. adjective
    not genuine or natural
    “"counterfeit rhetoric that flourishes when passions are synthetic"- George Will”
    Synonyms:
    counterfeit, imitative
    not genuine; imitating something superior
  3. adjective
    not of natural origin; prepared or made artificially
    synthetic leather”
    synonyms: man-made, semisynthetic
    artificial, unreal
    contrived by art rather than nature
  4. adjective
    involving or of the nature of synthesis (combining separate elements to form a coherent whole) as opposed to analysis
    “"limnology is essentially a synthetic science composed of elements...that extend well beyond the limits of biology"- P.S.Welch”
    synonyms: synthetical
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    Antonyms:
    analytic, analytical
    using or skilled in using analysis (i.e., separating a whole--intellectual or substantial--into its elemental parts or basic principles)
  5. adjective
    systematic combining of root and modifying elements into single words
    Synonyms:
    agglutinative, polysynthetic
    forming derivative or compound words by putting together constituents each of which expresses a single definite meaning
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    Antonyms:
    analytic, uninflected
    expressing a grammatical category by using two or more words rather than inflection
    isolating
    relating to or being a language in which each word typically expresses a distinct idea and part of speech and syntactical relations are determined almost exclusively by word order and particles
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  6. adjective
    artificial as if portrayed in a film
    synonyms: celluloid
    artificial, unreal
    contrived by art rather than nature
  7. adjective
    of a proposition whose truth value is determined by observation or facts
    “`all men are arrogant' is a synthetic proposition”
    synonyms: synthetical
    a posteriori
    involving reasoning from facts or particulars to general principles or from effects to causes
    inductive
    of reasoning; proceeding from particular facts to a general conclusion
    logical
    capable of or reflecting the capability for correct and valid reasoning
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    Antonyms:
    analytic, analytical
    of a proposition that is necessarily true independent of fact or experience
    a priori
    involving deductive reasoning from a general principle to a necessary effect; not supported by fact
    deductive
    involving inferences from general principles
    logical
    capable of or reflecting the capability for correct and valid reasoning
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