Definition of estival
: of or relating to the summer
Did You Know?
Estival and "festival" look so much alike that you might think they're very closely related, but that isn't the case. "Estival" traces back to "aestas," which is the Latin word for "summer" (and which also gave us "estivate," a verb for spending the summer in a torpid state - a sort of hot-weather equivalent of hibernation). "Festival" also comes from Latin, but it has a different and unrelated root. It derives from "festivus," a term that means "festive" or "merry." "Festivus" is also the ancestor of "festive" and "festivity" as well as the much rarer "festivous" (which also means "festive") and infestive, meaning "not merry, mirthless."
Variants of estival
Origin and Etymology of estival
Middle English, from Anglo-French or Latin; Anglo-French, from Latin aestivalis, from aestivus of summer, from aestas summer — more at edify
First Known Use: 14th century
Rhymes with estival
Medical Definition of estival
: of, relating to, or occurring in the summer
Seen and Heard
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