ill timed | sense examples, Usage and Definition from wordnet dictionary online

Adjective ill timed has 1 sense

ill-timed, ill timed, unseasonable, untimely, wrong - badly timed; "an ill-timed intervention"; "you think my intrusion unseasonable"; "an untimely remark"; "it was the wrong moment for a joke"
Antonym: opportune (indirect, via inopportune)