Definition of biennial
Adjectives
having a life cycle lasting two seasons
"a biennial life cycle"
"parsnips and carrots are biennial plants often grown as annuals"
- Synonyms:
- two-year
- Antonyms:
-
perennial
lasting three seasons or more
-
annual
completing its life cycle within a year
- one-year
- show more antonyms...
occurring every second year
"they met at biennial conventions"
- Synonyms:
- biyearly
-
periodic, periodical
happening or recurring at regular intervals
Nouns
(botany) a plant having a life cycle that normally takes two seasons from germination to death to complete; flowering biennials usually bloom and fruit in the second season
- Type of:
-
flora, plant, plant life
(botany) a living organism lacking the power of locomotion