adj.
Pronunciation: ˌ ō -p ə n- ' mau ̇ th d, - ' mau ̇ tht
Function: adjective
Date: 15th century
1 : CLAMOROUS , VOCIFEROUS
2 : having the mouth wide open
3 : struck with amazement or wonder
– open · mouth · ed · ly \ - ' mau ̇ - th ə d-l ē , -th ə d- \ adverb
– open · mouth · ed · ness \ - ' mau ̇ - th ə d-n ə s, -th ə d- \ noun