Synonyms of opportunistic

1 Syllable
cool, blasé
2 Syllables
uptown, greedy, knowing, grasping, selfish, callous, vaulting
3 Syllables
hardened, covetous, practical, urbane
4 Syllables
avaricious, unprincipled, diplomatic, self-centered, disenchanted, power-loving
5 Syllables
cosmopolitan