unseasonable
Americanadjective
-
not seasonable; being out of season; unseasonal.
unseasonable weather.
-
not befitting the occasion; untimely; ill-timed; inopportune; inappropriate.
Their visits were usually unseasonable.
adjective
-
(esp of the weather) inappropriate for the season
-
untimely; inopportune
Other Word Forms
Etymology
Origin of unseasonable
late Middle English word dating back to 1400–50; see origin at un- 1, seasonable
Vocabulary lists containing unseasonable
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
This unseasonable March streak of scorching heat is not only notable in its intensity, but also in its duration and its scale.
From Los Angeles Times • Mar. 20, 2026
Just six minutes had been played on an unseasonable chilly night in Soweto when Tshepang Moremi scored the lone goal, firing into the net after Kenyan goalkeeper Brian Bwire parried a cross.
From Barron's • Oct. 22, 2025
Some of these factors, such as unseasonable weather, are transitory, while others — like inflationary pressures, uncertain trade dynamics and an “ever-changing” geopolitical environment — may be long-lasting, the CEO noted.
From MarketWatch • Oct. 21, 2025
This marks a return to conditions more typical for mid-July after a stretch of unseasonable heat.
From BBC • Jul. 14, 2025
On the third day the freight crossed the mountains, and that was the time for unseasonable warm weather throughout the Middle West.
From "East of Eden" by John Steinbeck
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.