adjective
-
not known or experienced; strange
-
not familiar
Other Word Forms
Etymology
Origin of unfamiliar
Explanation
Unfamiliar things are unknown or unexplored. On your first day at a new school, every single face you see is unfamiliar. Traveling in an unfamiliar city is easier with a map or a GPS, and meeting the unfamiliar people who live there is easier if you speak at least a few words of their language. Some people love eating unfamiliar food — things they've never tasted before — while others aren't fond of it. When something (or someone) is familiar, it's known to you — the word shares a Latin root with family. Add the "not" prefix un-, and you've got unfamiliar.
Vocabulary lists containing unfamiliar
TEKS ELAR Academic Vocabulary List (5th-7th grades)
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Strange
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Strange
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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.
Unfamiliar surroundings and schedules can be stressful for pooches, but planning ahead can help a lot.
From The Wall Street Journal • Mar. 25, 2026
Unfamiliar places bring out everyone’s insecurities, and if the person who has long claimed to have your back doesn’t make you feel safe, that’s a problem.
From Salon • Mar. 10, 2025
Unfamiliar with the area, I had been preparing to turn left as directed by my sat-nav.
From BBC • Oct. 21, 2023
Unfamiliar with the ways of life in Europe, the Cuban family initially worried whether they would find acceptance.
From Seattle Times • Dec. 11, 2021
That day, Ms. Laverne pushed us out—from the Familiar to the Unfamiliar.
From "Harbor Me" by Jacqueline Woodson
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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.