understood without being openly expressed; implied: tacit approval.
silent; saying nothing: a tacit partner.
unvoiced or unspoken: a tacit prayer.

Origin of tacit

1595–1605; < Latin tacitus silent, past participle of tacēre to be silent (cognate with Gothic thahan; akin to Old Norse thegja)
Related formstac·it·ly, adverbtac·it·ness, noun

Synonyms for tacit

Antonyms for tacit

1. expressed.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for tacitly

softly, weakly, faintly, inaudibly, murmuring, noiselessly, tacitly

Examples from the Web for tacitly

Contemporary Examples of tacitly

Historical Examples of tacitly

  • There is nothing of novelty to them in this tacitly shared sense of gloom.

    In the Valley

    Harold Frederic

  • It was as if they had tacitly agreed to take their different provinces.

    Little Dorrit

    Charles Dickens

  • In the southern district this division is tacitly agreed upon.

    The Forest

    Stewart Edward White

  • A woman that does not make a noise after an attempt of that kind has tacitly condoned the offence.


    Joseph Conrad

  • They two had tacitly agreed not to be bound by common sense,—not to be wise.

    Is He Popenjoy?

    Anthony Trollope

British Dictionary definitions for tacitly



implied or inferred without direct expression; understooda tacit agreement
created or having effect by operation of law, rather than by being directly expressed
Derived Formstacitly, adverbtacitness, noun

Word Origin for tacit

C17: from Latin tacitus, past participle of tacēre to be silent
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for tacitly



c.1600, from French tacite, from Latin tacitus "that is passed over in silence, done without words, assumed, silent," prop. past participle of tacere "to be silent," from PIE root *tak- "to be silent" (cf. Gothic þahan, Old Norse þegja "to be silent," Old Norse þagna "to grow dumb," Old Saxon thagian, Old High German dagen "to be silent"). The musical instruction tacet is the 3rd person present singular of the Latin verb.

Online Etymology Dictionary, © 2010 Douglas Harper