of or pertaining to a year; returning every year; coming or happening once in the year; yearly.-performed or accomplished in a year; reckoned by the year; as, the annual motion of the earth.-lasting or continuing only one year or one growing season; requiring to be renewed every year; as, an annual plant; annual tickets.-a thing happening or returning yearly; esp. a literary work published once a year.-anything, especially a plant, that lasts but one year or season; an annual plant.-a mass for a deceased person or for some special object, said daily for a year or on the anniversary day.