someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous); "the speaker at commencement"; "an utterer of useful maxims"
the presiding officer of a deliberative assembly; "the leader of the majority party is the Speaker of the House of Representatives"
showing a sense of guilt; "a guilty look"; "the hangdog and shamefaced air of the retreating enemy"- Eric Linklater
responsible for or chargeable with a reprehensible act; or marked by guilt; "guilty of murder"; "the guilty person"; "secret guilty deeds"; "a guilty conscience"; "guilty behavior"
unmistakably (`plain' is often used informally for `plainly'); "the answer is obviously wrong"; "she was in bed and evidently in great pain"; "he was manifestly too important to leave off the guest list"; "it is all patently nonsense"; "she has apparently been living here for some time"; "I thought he owned the property, but apparently not"; "You are plainly wrong"; "he is plain stubborn"