familiar
Americanadjective
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commonly or generally known or seen.
a familiar sight.
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well-acquainted; thoroughly conversant.
to be familiar with a subject.
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informal; easygoing; unceremonious; unconstrained.
to write in a familiar style.
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closely intimate or personal.
a familiar friend; to be on familiar terms.
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unduly intimate; too personal; taking liberties; presuming.
The duchess disliked familiar servants.
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domesticated; tame.
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of or relating to a family or household.
noun
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a familiar friend or associate.
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familiar spirit. Witchcraft and Demonology. a supernatural spirit or demon, often in the form of an animal, supposed to serve and aid a witch or other individual.
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Roman Catholic Church.
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an officer of the Inquisition, employed to arrest accused or suspected persons.
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a person who belongs to the household of the pope or of a bishop, rendering domestic though not menial service.
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adjective
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well-known; easily recognized
a familiar figure
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frequent or customary
a familiar excuse
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acquainted
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friendly; informal
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close; intimate
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more intimate than is acceptable; presumptuous
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an archaic word for familial
noun
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Also called: familiar spirit. a supernatural spirit often assuming animal form, supposed to attend and aid a witch, wizard, etc
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a person, attached to the household of the pope or a bishop, who renders service in return for support
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an officer of the Inquisition who arrested accused persons
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a friend or frequent companion
Synonym Usage
Familiar, confidential, intimate suggest a long association between persons. Familiar means well-acquainted with another person: a familiar friend. Confidential suggests a sense of mutual trust that extends to the sharing of confidences and secrets: a confidential adviser. Intimate suggests close acquaintance or connection, often based on interest, sympathy, or affection: intimate and affectionate letters.
Other Word Forms
Derived Forms
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familiarnessnoun
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nonfamiliaradjective
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overfamiliaradjective
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prefamiliaradjective
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quasi-familiaradjective
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ultrafamiliaradjective
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familiarlyadverb
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nonfamiliarlyadverb
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overfamiliarlyadverb
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prefamiliarlyadverb
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quasi-familiarlyadverb
Inflected Forms
Nouns
Etymology
Origin of familiar
First recorded in 1300–50; Middle English, from Latin familiāris “of a household,” see family, -ar 1
Explanation
When something is so commonplace you know it well, it's familiar. A familiar song might be one that you hum along to without even thinking about it. Like family, anything or anyone you're familiar with has been in your life for a while. It can be used in many ways. After six years of Spanish, you'll be familiar with how to conjugate verbs. You and your close friends are on familiar terms. The smell of musty tent fabric is familiar to anyone who grew up going camping a lot, and may bring on a wave of nostalgia.
Vocabulary lists containing familiar
List 10
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Workshop 4, Part 1
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Vocabulary from poems about communication
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
The U.S. isn’t directly part of the talks, though Oman is keeping Washington informed, said regional officials familiar with the talks.
From The Wall Street Journal ● Jul. 28, 2026
And it was the description of a so-called fearful-avoidant - one of the four attachment styles - which felt strikingly familiar.
From BBC ● Jul. 28, 2026
It had previously been relying primarily on chips made by Alphabet’s Google, known as tensor-processing units, or TPUs, according to people familiar with the matter.
From The Wall Street Journal ● Jul. 27, 2026
Joshua's comeback against Prenga was one of the bravest performances of his career but it also highlighted familiar vulnerabilities.
From BBC ● Jul. 27, 2026
Camille exits the highway and drives our familiar route through the city.
From "South of Somewhere" by Kalena Miller
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With AI, videogames and “Dungeons and Dragons”-type sessions will evolve and merge into an interactive immersive fiction created by the collaboration of a small group of friends and each of their ever-present AI familiars.
From The Wall Street Journal ● Mar. 23, 2026
"Once you are known, the name begins not to matter. People look at the person behind the name. To my familiars, I was just 'Monsieur Charles'. So I decided to keep it," he said.
From BBC ● Mar. 18, 2026
“The Night Market” involved extra layers, from international vendors hawking their weird wares to vampires cheering on the battles of the familiars.
From Los Angeles Times ● Aug. 15, 2023
Spooky Grymalkin Candle Lamp: Inspired by one of the witches’ familiars in Shakespeare’s “Macbeth,” this stylish candle lamp comes with a votive glass and candle to light up the cat’s dazzling red eyes.
From Seattle Times ● Nov. 1, 2022
“We send our prayers off in the night, and the familiars carry them on our behalf straight to the gods’ ears.”
From "Beasts of Prey" by Ayana Gray
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.