know business (adjective) competent: able
Sinonime: afraid, averse, backward, dawdling, delaying, diffident, disinclined, doubtful, doubting, faltering, half-hearted, halting, hanging back, hesitating, indecisive, irresolute, lacking confidence, lazy, loath, pendulous, reluctant, shilly-shally, shy*, skeptical, slow, tentative, timid, uneager, unpredictable, unsure, unwilling, vacillant, vacillating, wavering
Antonime: inadequate,
incapable,
incompetent,
inefficient,
inept,
unable