bombproof

Synonyms

fast, firm, sound, stable, strong, sturdy;

Antonyms

rickety, unsound, unstable, unsteady;

Near Antonyms

infirm, insecure, weak;

shaky, tottering, tottery, unbalanced, wobbly (also wabbly);

unsubstantial;

Related Words

dependable, durable, reliable;

unbreakable;

beefy, solid;

cohesive, tough;