Meaning of 'annual'

adjective

completing its life cycle within a year

Example: "a border of annual flowering plants"

Synonyms: one-year

adjective

occurring or payable every year

Example: "an annual trip to Paris"

Synonyms: yearly

noun

a reference book that is published regularly once every year

Synonyms: yearly

noun

(botany) a plant that completes its entire life cycle within the space of a year