- deviating from the normal or usual type, as certain animals from the group in which they are classified
- behaving in an abnormal or untypical way
- deviating from truth, morality, etc
aberrantUK:**UK and possibly other pronunciationsUK and possibly other pronunciations/æˈbɛrənt/US:USA pronunciation: respellingUSA pronunciation: respelling(ə ber′ənt, ab′ər-) WordReference Random House Unabridged Dictionary of American English © 2025 ab•er•rant (ə ber′ənt, ab′ər-),USA pronunciation adj.
n.
ab•er′rant•ly,adv.
Collins Concise English Dictionary © HarperCollins Publishers:: aberrant/æˈbɛrənt/adj
'aberrant' also found in these entries (note: many are not synonyms or translations): Forum discussions with the word(s) "aberrant" in the title: aberrant rewards and punishments errant, aberrant, inerrant yet was not offered as evidence of an aberrant quirk of nature Look up "aberrant" at Merriam-Webster Look up "aberrant" at dictionary.com
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