Bi-annual

Synonyms for "bi-annual" (39 found)

Ranked by relevance and common usage.

Closest matches (8)

semiannual annual biennial bimonthly biweekly biyearly

Adjective(1 words)

Adjective(1 words)

Strong matches (12)

catamenial centenary centennial daily decennial diurnal fortnightly half yearly hebdomadal hourly

Adjective(1 words)

Adjective(1 words)

Related words (19)

menstrual momentary momently monthly quarterly quotidian secular semestral semimonthly semiweekly semiyearly tertian triennial twice yearly weekly yearly

Adjective(2 words)

semiannual twice-yearly

Adjective(1 words)

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.