| late(adjective, adverb, dull, time, low) |
| belated(adjective, dull, low, slow, late) |
| tardy(adjective, dull, low, slow, late) |
| overdue(adjective, dull, low, slow, late) |
| behindhand(adjective, adverb, dull, low, slow) |
| slow(adjective, late, debilitated, tardy, behind) |
| untimely(adjective, late, inopportune, untimely, lateness) |
| delayed(adjective, dull, low, slow, late) |
| dilatory(adjective, dull, late, tardy, behind) |
| backward(adjective, adverb, dull, low, slow) |
| delinquent(adjective, unsettled, late, inopportune, untimely) |
| premature(adjective, inopportune, untimely, untimeliness) |
| capricious(adjective, unreliable, uneven, variable, erratic) |
| benighted |
| desultory(adjective, erratic, random, haphazard, irregularity of recurrence) |
| early |
| fitful(adjective, unreliable, uneven, variable, erratic) |
| inopportune(adjective, inopportune, untimely) |
| irregular(adjective, variable, erratic, random, haphazard) |
| laggard(late, delayed, overdue) |