ap·pall (ə-pôl') tr.v. ap·palled, ap·pall·ing, ap·palls To fill with consternation or dismay. See Synonyms at dismay. [Middle English apallen, to grow faint, from Old French apalir : a-, to (from Latin ad-; see ad-) + palir, to grow pale (from pale, pale, from Latin pallidus, from pallēre, to grow pale; see pel-1 in Indo-European roots).] |