Synonyms for punctual
modified
prompt, precise, particular, on time, on schedule, exact, timely, seasonable, expeditious, periodic, regular, cyclic, dependable, recurrent, constant, steady, scrupulous, punctilious, meticulous, under the wire*, on the nose*; see also accurate 2, reliable 2.
Antonyms unreliable*, careless, desultory.
See punctual in Webster's New World Roget's A-Z Thesaurus II
adjective
Occurring, acting, or performed exactly at the time appointed:
prompt, timely. Idioms: at (or on) the dot, on time. See time
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