INCESSANT Meaning of INCESSANT in English adj. unceasing, continual, repeated. incessancy n. incessantly adv. incessantness n.[ F incessant or LL incessans (as IN-(1), cessans pres. part. of L cessare CEASE) ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012