opportunistic.
Taking advantage of situations that arise.
Meaning & usage
Taking advantage of situations that arise.
The danger now isn't so much from the AIDS virus itself as from opportunistic infections.
Taking advantage of situations to advance one's own interests without regard for moral principles.
You can't trust somebody that opportunistic: he'll stab you in the back the first chance he gets.
Where this word comes from
Etymology tree English opportunist Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English opportunistic From opportunist + -ic.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.