Antonyms of adj cataclysmal

1 sense of cataclysmal

Sense 1
cataclysmal, cataclysmic -- (severely destructive; "cataclysmic nuclear war"; "a cataclysmic earthquake")

INDIRECT (VIA destructive) -> constructive -- (constructing or tending to construct or improve or promote development; "constructive criticism"; "a constructive attitude"; "a constructive philosophy"; "constructive permission")

Similarity of adj cataclysmal

1 sense of cataclysmal

Sense 1
cataclysmal, cataclysmic -- (severely destructive; "cataclysmic nuclear war"; "a cataclysmic earthquake")
       => destructive (vs. constructive) -- (causing destruction or much damage; "a policy that is destructive to the economy"; "destructive criticism")