adjective having strength or power greater than average or expected
Similarbeardownbeefed-upbrawnybullneckedbullockyfortifiedhardindustrial-strengthironlikeknock-downreinforcedrobustsoundstiffvehementvirilewell-knit
Oppositesweak
adjective not faint or feeble
Similarintense
adjective having a strong physiological or chemical effect
adjective immune to attack; incapable of being tampered with
Similarinvulnerable
adjective of verbs not having standard (or regular) inflection
Similarirregular
adjective being distilled rather than fermented; having a high alcoholic content
Synonymshard
Similaralcoholic
Source: WordNet 3.1, Princeton University
