Synonyms of inadequate in English:

inadequate


See definition of inadequate

adjective

1‘inadequate water supplies’

SYNONYMS
insufficient, not enough, deficient, poor, scant, scanty, scarce, sparse, too little, too few, short, in short supply
paltry, meagre, niggardly
skimpy, sketchy, incomplete, restricted, limited
informal measly, pathetic, piddling
rare exiguous
ANTONYMS

adequate, sufficient

2‘inadequate staff’

SYNONYMS
incompetent, incapable, unsatisfactory, not good enough, no good, found wanting, not up to scratch, lacking, leaving much to be desired, unfit, ineffective, ineffectual, inefficient, unskilful, inexpert, inept, unproficient, amateurish, substandard, poor, bad, hopeless, useless, inferior
impotent, powerless
informal not up to snuff, lousy
British informal duff, not much cop, no great shakes
vulgar slang half-arsed
ANTONYMS

competent