Antonyms of adj well-timed

1 sense of well-timed

Sense 1
timely, seasonable, well-timed (prenominal), well timed (predicate) -- (done or happening at the appropriate or proper time; "a timely warning"; "with timely treatment the patient has a good chance of recovery"; "a seasonable time for discussion"; "the book's publication was well timed")

INDIRECT (VIA opportune) -> inopportune -- (not opportune; "arrived at a most inopportune hour"; "an inopportune visit")
                                                                         

Similarity of adj well-timed

1 sense of well-timed

Sense 1
timely, seasonable, well-timed (prenominal), well timed (predicate) -- (done or happening at the appropriate or proper time; "a timely warning"; "with timely treatment the patient has a good chance of recovery"; "a seasonable time for discussion"; "the book's publication was well timed")
       => opportune (vs. inopportune) -- (suitable or at a time that is suitable or advantageous especially for a particular purpose; "an opportune place to make camp"; "an opportune arrival")
                                                                         

Synonyms of adv well-timed

1 sense of well-timed

Sense 1
seasonably, timely, well-timed, apropos -- (at an opportune time; "your letter arrived apropos")