unfamiliar

adjective

un·​fa·​mil·​iar ˌən-fə-ˈmil-yər How to pronounce unfamiliar (audio)
Synonyms of unfamiliarnext
: not familiar:
a
: not well-known : strange
an unfamiliar place
often used with to
used words that were unfamiliar to me
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.
Meet the Northern Hairy-Nosed Wombat For those unfamiliar with this elusive species, the northern hairy-nosed wombat is a remarkable creature by any measure. Hanna Wickes, Kansas City Star, 13 Feb. 2026 Review linked apps and remove anything unfamiliar or unused. Kurt Knutsson, FOXNews.com, 13 Feb. 2026 The idea was to manage expectations and remove some of the uncertainty around ordering a drink with an unfamiliar ingredient list. Kristen Tauer, Footwear News, 13 Feb. 2026 In the book, between 2018 and 2022, many of the films listed will probably be unfamiliar to most readers. Zac Ntim, Deadline, 11 Feb. 2026 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

Browse Nearby Words

Cite this Entry

“Unfamiliar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unfamiliar. Accessed 17 Feb. 2026.

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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster