opportunistic
[ op-er-too-nis-tik, -tyoo- ]
/ ˌɒp ər tuˈnɪs tɪk, -tyu- /
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adjective
adhering to a policy of opportunism; practicing opportunism.
Pathology.
- (of a microorganism) causing disease only under certain conditions, as when a person's immune system is impaired.
- (of a disease or infection) caused by such an organism: Pneumocystis pneumonia is an opportunistic disease that often strikes victims of AIDS.
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Origin of opportunistic
First recorded in 1890–95; opportunist + -ic
OTHER WORDS FROM opportunistic
op·por·tun·is·ti·cal·ly, adverbun·op·por·tun·is·tic, adjectiveWORDS THAT MAY BE CONFUSED WITH opportunistic
opportune, opportunisticDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use opportunistic in a sentence
British Dictionary definitions for opportunistic
opportunistic
/ (ˌɒpətjʊˈnɪstɪk) /
adjective
of or characterized by opportunism
med (of an infection) caused by any microorganism that is harmless to a healthy person but debilitates a person whose immune system has been weakened by disease or drug treatment
Derived forms of opportunistic
opportunistically, adverbCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
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