| Adj. | 1. | well-timed - 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 - suitable or at a time that is suitable or advantageous especially for a particular purpose; "an opportune place to make camp"; "an opportune arrival" |
| Adv. | 1. | well-timed - at an opportune time; "your letter arrived apropos" |