(not) well; (not) properly; (not) enough; (not) sufficiently; (not) satisfactorily; (not) decently
senility; dotage; decrepitude
satisfactory; decent; good; proper; worthy
good-for-nothing; worthless
(not) well; (not) properly; (not) enough; (not) sufficiently
bum; good-for-nothing; ne'er-do-well
(not) enough; (in)sufficiently; (un)satisfactorily