familiarity

1 the state of being in a very personal or private relationship the elderly couple enjoys a familiarity that is the result of many years of happy marriage Synonyms belonging, chumminess, closeness, inseparability, intimacy, nearness Related Words immediacy; affinity, kinship; commitment, devotedness, devotion; affection, attachment, fondness, love, passion; constancy, faithfulness, fidelity; amity, fellowship, friendship, goodwill; affability, conviviality, cordiality, geniality; mutuality; cliquishness, clubbiness Near Antonyms aloofness, coldness, coolness, remoteness, reserve Antonyms distance

2 a socially improper or unsuitable act or remark placing his hand on my shoulder was just one familiarity by the car salesman that I did not appreciate Synonyms impropriety, faux pas, gaff, gaffe, indiscretion, solecismRelated Words blunder, error, flub, fumble, goof, lapse, miscue, misstep, mistake, oversight, slip, slipup, stumble; discourtesy, incivility, offense (or offence); boner, howler; foul-up, muff; misapprehension, miscalculation, misconception, misjudgment, misstatement, misunderstandingNear Antonyms form, manners, mores, proprietiesAntonyms amenity, attention, civility, courtesy, formality, gesture, pleasantry

3 knowledge gained by personal experience the restaurant critic's considerable familiarity with restaurant kitchens should stand her in good stead Synonyms cognizance, acquaintanceRelated Words association, experience, exposure, intimacy, involvement; initiation, introduction; awareness, comprehension, conception, inkling, notion, understanding; education, enlightenment, grounding, information, instruction, learning, schooling, trainingNear Antonyms callowness, greenness, ignorance, inexperienceAntonyms unfamiliarity