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unfamiliar
/ˌʌnfəˈmɪliər/
not known or recognized
The instructions were unfamiliar to me, so I had to read them carefully.
The instructions were new or unknown to the speaker, requiring extra attention.
neutral
not known or recognized; strange
She felt unfamiliar with the city after moving there a month ago.
She did not recognize or know the city well yet.
The software's interface was unfamiliar to new users.
The interface was not something new users had seen before.
Often used to describe a lack of prior knowledge or experience with something.
Collocations
unfamiliar withnot having knowledge or experience offeel unfamiliarto sense a lack of recognition or knowledge
Antonyms
Pro Tip
Common Mistake: 'Unfamiliar to' vs. 'Unfamiliar with'
Use 'unfamiliar to' when describing something that is not known (e.g., 'The task was unfamiliar to me'). Use 'unfamiliar with' when describing a person lacking knowledge (e.g., 'I am unfamiliar with this topic').
Gold Rule
Context Matters
'Unfamiliar' implies a lack of prior knowledge or experience, not necessarily something strange or unusual in an absolute sense.
Word Origin
From the prefix 'un-' (meaning 'not') + 'familiar', derived from Old French 'familier' (of a household, common), from Latin 'familiaris' (of a household, intimate), from 'familia' (household, family).
Usage Notes
Used to describe a person's lack of knowledge or experience with something. Common in contexts like travel, technology, or new environments.
Word Breakdown
un-
not
prefixfamiliar
known or recognized
rootEnglish Dictionary