unfamiliar

adjective

un·​fa·​mil·​iar ˌən-fə-ˈmil-yər How to pronounce unfamiliar (audio)
: not familiar:
a
: not well-known : strange
an unfamiliar place
b
: not well acquainted
unfamiliar with the subject
unfamiliarity
ˌən-fə-ˌmil-ˈyer-ə-tē How to pronounce unfamiliar (audio)
-ˌmi-lē-ˈyer-
-ˈya-rə-
noun
unfamiliarly adverb

Examples of unfamiliar in a Sentence

He gets nervous when he is in unfamiliar surroundings. The book is full of unfamiliar words.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Action step: Volunteer for projects outside your usual scope to expand your skills and demonstrate your ability to thrive in unfamiliar territory. Kent Ingle, Forbes.com, 6 June 2025 One possibility is that the chimps simply chose to imitate the android—much like people and animals often mimic others in unfamiliar social situations. Mack Degeurin, Popular Science, 5 June 2025 One section of the menu broadcasts the same unfamiliar word five times: choucroute. Caity Weaver, The Atlantic, 5 June 2025 In the video, Pilot stands completely still, with his fluffy tail stuck up, visibly unsure about what to make of the unfamiliar clothing item. Maria Azzurra Volpe, MSNBC Newsweek, 5 June 2025 See All Example Sentences for unfamiliar

Word History

First Known Use

1594, in the meaning defined above

Time Traveler
The first known use of unfamiliar was in 1594

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Cite this Entry

“Unfamiliar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unfamiliar. Accessed 10 Jun. 2025.

Kids Definition

unfamiliar

adjective
un·​fa·​mil·​iar ˌən-fə-ˈmil-yər How to pronounce unfamiliar (audio)
1
: not well-known : strange
an unfamiliar place
2
: not well acquainted
unfamiliar with the subject
unfamiliarity
-ˌmil-ˈyar-ət-ē How to pronounce unfamiliar (audio)
-ˌmil-ē-ˈ(y)ar-
noun

More from Merriam-Webster on unfamiliar

Last Updated: - Updated example sentences
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