unpunctual

delayed long-delayed overdue tardy

behind time behindhand remiss

early

on time punctual timely

capricious erratic intermittent jerky sporadic uneven unreliable

aberrant eccentric faltering shifting weaving

aimless casual changeable designless desultory disconnected discontinuous fitful fluctuating fragmentary haphazard hit-or-miss inconstant indiscriminate infrequent nonuniform occasional out of order patchy purposeless recurrent shaky spasmodic uncertain unconsidered unmethodical unsettled unsteady unsystematic up and down

constant continuous dependable regular reliable smooth steady

normal

common conventional even flat level methodical standard systematic usual

last-minute slow

backward behind behind time behindhand belated blown delayed dilatory eleventh hour gone held up hung up in a bind in the lurch jammed lagging missed the boat out of luck overdue postponed put off remiss stayed strapped tardy too late

antique early live old old-fashioned on time prompt punctual

belated delinquent outstanding tardy unpaid

behind time behindhand due held up hung up jammed long-delayed mature not punctual owing payable unsettled

early on time paid punctual settled

dull gradual low moderate sluggish stagnant stiff tame tedious time-consuming

delayed detained down hindered impeded lingering off prolonged protracted reduced slack

backward behindhand belated conservative dead dilatory draggy inactive long-delayed long-drawn-out overdue sleepy tardy uneventful unproductive unprogressive

active bright exciting interesting lively violent wild

busy cognizant hurried intelligent on cue on time quick rapid ready smart waiting

belated delayed delinquent overdue sluggish

backward behindhand dawdling detained dilatory held up hung up in a bind jammed laggard loitering not arrived not done procrastinating slack slow strapped for time too late

early

on time prompt punctual ready

slowly

belatedly tardily

backward behind behind time behindhand dilatorily

early on time punctually

belatedly slowly

backward behind behind time behindhand dilatorily