• synonyms


[uh b-zur-vuh nt]
See more synonyms for observant on Thesaurus.com
  1. quick to notice or perceive; alert.
  2. looking at, watching, or regarding attentively; watchful.
  3. careful in the observing of a law, custom, religious ritual, or the like.
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  1. an observer of law or rule.
  2. (initial capital letter) Also Ob·ser·van·tine [ob-zur-vuh n-tin, -teen] /ɒbˈzɜr vən tɪn, -ˌtin/. a member of a Franciscan order that observes the strict rule of St. Francis.
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Origin of observant

1425–75; late Middle English < French, present participle of observer. See observe, -ant
Related formsob·serv·ant·ly, adverbun·ob·serv·ant, adjectiveun·ob·serv·ant·ly, adverb


See more synonyms for observant on Thesaurus.com
1. perceptive. 2. attentive, heedful, mindful, aware. 3. obedient.


1. dull, slow. 2. heedless.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for observantly

Historical Examples

  • From its beginning to its close he has regarded it observantly.

    Charles Dickens as a Reader

    Charles Kent

  • He questioned you so gently, yet with such an air of right; he listened so observantly and sympathetically.

    Mercy Philbrick's Choice

    Helen Hunt Jackson

  • As he approached, Coats eyed Baird quite as gravely and observantly as Edward had done.

    Nobody's Child

    Elizabeth Dejeans

  • Jean-Marie, I trust you are observantly following my various steps; this is an excellent piece of education for you.

  • The slim, girlish figure blocked their way; the great dark eyes were fixed upon them observantly.

British Dictionary definitions for observantly


  1. paying close attention to detail; watchful or heedful
  2. adhering strictly to rituals, ceremonies, laws, etc
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Derived Formsobservantly, adverb
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 observantly



1590s, from observe + -ant, or else from French observant, past participle of observer (see observance). In reference to Judaism, from 1902. As a noun from late 15c. Related: Observantly; observantness.

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Online Etymology Dictionary, © 2010 Douglas Harper