AESTIVATION /ˌiːstɪˈveɪʃən/ Scrabble 14 Words With Friends 16 Definition noun (zoology) cessation or slowing of activity during the summer. — synonyms: estivation noun (botany) the arrangement of sepals and petals in a flower bud before it opens. — synonyms: estivation See all 373 words you can make from AESTIVATION → 11-letter words Words starting with A Words ending with N ← Unscramble different letters