Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun opportunist

1 sense of opportunist

Sense 1
opportunist, self-seeker -- (a person who places expediency above principle)
       => selfish person -- (a person who is unusually selfish)

Antonyms of adj opportunist

1 sense of opportunist

Sense 1
opportunist, opportunistic, timeserving -- (taking immediate advantage, often unethically, of any circumstance of possible benefit)

INDIRECT (VIA expedient) -> inexpedient -- (not suitable or advisable; "an inexpedient tactic")

Similarity of adj opportunist

1 sense of opportunist

Sense 1
opportunist, opportunistic, timeserving -- (taking immediate advantage, often unethically, of any circumstance of possible benefit)
       => expedient (vs. inexpedient) -- (serving to promote your interest; "was merciful only when mercy was expedient")