Standard Lemma guide

opportunistic

adj · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /ˌɒp.əˌtjuːˈnɪs.tɪk/
  • UK: /ˌɒp.əˌt͡ʃ(j)uːˈnɪs.tɪk/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • US: /ˌɑ.pɚˌt(j)uːˈnɪs.tɪk/
  • CMU ARPABET: AA2 P ER0 T UW2 N IH1 S T IH0 K Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Taking advantage of situations that arise.

Definition source: English Wiktionary via Wiktextract

Examples

  • The danger now isn't so much from the AIDS virus itself as from opportunistic infections.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Taking advantage of situations to advance one's own interests without regard for moral principles.

Definition source: English Wiktionary via Wiktextract

Examples

  • You can't trust somebody that opportunistic: he'll stab you in the back the first chance he gets.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective satellite

Meaning 3

taking immediate advantage, often unethically, of any circumstance of possible benefit

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: opportunist, timeserving

Antonyms: none provided

History

Etymology

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.

Across languages

Translations

16 source translations are retained for this English entry.

  • Catalan: oportunista — taking advantage of situations that arise
  • French: opportun — taking advantage of situations that arise
  • Georgian: ოპორტუნისტული (oṗorṭunisṭuli) — taking advantage of situations that arise
  • Indonesian: oportunistis — taking advantage of situations that arise
  • Malay: oportunistik — taking advantage of situations that arise
  • Spanish: oportunista — taking advantage of situations that arise
  • Catalan: oportunista — said of people who will take advantage of situations
  • Dutch: opportunistisch — said of people who will take advantage of situations
  • French: opportuniste — said of people who will take advantage of situations
  • French: profiteur — said of people who will take advantage of situations
  • Galician: oportunista — said of people who will take advantage of situations
  • Georgian: ოპორტუნისტული (oṗorṭunisṭuli) — said of people who will take advantage of situations
  • German: opportunistisch — said of people who will take advantage of situations
  • Japanese: 日和る (hiyoru) — said of people who will take advantage of situations
  • Portuguese: oportunista — said of people who will take advantage of situations
  • Spanish: oportunista — said of people who will take advantage of situations
Real reading context

opportunistic in complete knowledge articles