[ es-tuh-veyt ]
/ ˈɛs təˌveɪt /

verb (used without object), es·ti·vat·ed, es·ti·vat·ing.

to spend the summer, as at a specific place or in a certain activity.
Zoology. to spend a hot, dry season in an inactive, dormant state, as certain reptiles, snails, insects, and small mammals.
Compare hibernate.

Origin of estivate

1620–30; < Latin aestīvātus, past participle of aestīvāre to reside during the summer (akin to aestīvus of or relating to summer); see -ate1

Related forms

es·ti·va·tor, noun

Can be confused

estivate hibernate Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for estivate


/ (ˈiːstɪˌveɪt, ˈɛs-) /


(intr) the usual US spelling of aestivate

Derived Forms

estivator, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012