UNSEASONABLE
unseasonable
(adjective) not in keeping with (and usually undesirable for) the season; “a sudden unseasonable blizzard”; “unseasonable bright blue weather in November”
unseasonable, ill-timed, untimely, wrong
(adjective) badly timed; “an ill-timed intervention”; “you think my intrusion unseasonable”; “an untimely remark”; “it was the wrong moment for a joke”
Source: WordNet® 3.1
Etymology
Adjective
unseasonable (comparative more unseasonable, superlative most unseasonable)
Not in accordance with the season.
Synonyms
• ill-timed, inopportune; see also untimely
Antonyms
• seasonable
Source: Wiktionary
Un*sea"son*a*ble, a.
Definition: Not seasonable; being, done, or occurring out of the proper
season; ill-timed; untimely; too early or too late; as, he called at
an unseasonable hour; unseasonable advice; unseasonable frosts;
unseasonable food.
– Un*sea"son*a*ble*ness, n.
– Un*sea"son*a*bly, adv.
Source: Webster’s Unabridged Dictionary 1913 Edition