continuing without interruption; ceaseless; unending: an incessant noise.
Origin: 1425–75;late Middle Englishincessaunte < Late Latinincessant-, equivalent to Latinin-in-3 + cessant- (stem of cessāns), present participle of cessāre to stop work; see cease, -ant
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
1461 (implied in incessantly), from O.Fr. incessant (1358), from L.L. incessantem (nom. incessans) "unceasing," from L. in- "not" + cessantem (nom. cessans), prp. of cessare "cease."