Lethean, absentminded, amnestic, arrested, back, backward, behindhand, belated, bound, choked, choked up, clogged, clogged up, congested, constipated, converted, costive, delayed-action, delayed, detained, forgetful, forgetting, foul, fouled, full, heedless, held up, hung up, in a bind, in abeyance, inclined to forget, infarcted, jammed, late, latish, moratory, never on time, oblivious, obstipated, obstructed, overdue, packed, plugged, plugged up, repressed, retarded, slow, stopped, stopped up, stuffed, stuffed up, suppressed, tardy, unmindful, unpunctual, unready, untimely