Use the adjective implicit when you mean that something is understood but not clearly stated. You might think you and your boyfriend might have an implicit understanding that you are going to get married, but it's probably better to talk it through.

A very near synonym of implicit in this particular meaning is the word implied. But the adjective implicit also means "without any doubt," so we can say that we have implicit trust or confidence in someone. The Latin root implicāre means "to involve or entangle." Another English word with a more obvious connection to this Latin root is the verb implicate.

Definitions of implicit
  1. adjective
    implied though not directly expressed; inherent in the nature of something
    “an implicit agreement not to raise the subject”
    “there was implicit criticism in his voice”
    “anger was implicit in the argument”
    “the oak is implicit in the acorn”
    synonyms: inexplicit
    having the power of implying or suggesting something in addition to what is explicit
    implicit in, inherent, underlying
    in the nature of something though not readily apparent
    silent, tacit, understood
    implied by or inferred from actions or statements
    unexpressed, unsaid, unspoken, unstated, unuttered, unverbalised, unverbalized, unvoiced
    not made explicit
    secret or hidden; not openly practiced or engaged in or shown or avowed
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    explicit, expressed
    precisely and clearly expressed or readily observable; leaving nothing to implication
    precise; explicit and clearly defined
    denotative, denotive
    having the power of explicitly denoting or designating or naming
    unambiguous, unequivocal, univocal
    admitting of no doubt or misunderstanding; having only one meaning or interpretation and leading to only one conclusion
    declared, stated
    declared as fact; explicitly stated
    definitive, unequivocal
    clearly defined or formulated
    not tacit or implied
    describing nudity or sexual activity in graphic detail
    hard-core, hardcore
    extremely explicit
    open, overt
    open and observable; not secret or hidden
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  2. adjective
    being without doubt or reserve
    implicit trust”
    synonyms: unquestioning
    perfect or complete or pure
Word Family

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