Synonyms and related words :
arrested, back, backward, behindhand, belated, blocked, bound, choked, choked up, clogged, clogged up, congested, constipated, costive, delayed, delayed-action, detained, foul, fouled, full, held up, hung up, in a bind, in abeyance, infarcted, jammed, late, latish, moratory, never on time, obstipated, overdue, packed, plugged, plugged up, retarded, slow, stopped, stopped up, stuffed, stuffed up, tardy, unpunctual, unready, untimely