7
biannual
6
biennial
5
semiannual
3
half-yearly
3
time period
2
biennially
2
period(noun, adjective)
2
period of time
2
semiannually
1
biannually
1
semiyearly
0
semi-annual
0
two-year
13 years ago|767 views|share |citing 
APASmart Define. (2013). biyearly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/biyearly/thesaurus/synonyms
ChicagoSmart Define. 2013. "biyearly thesaurus" https://smartdefine.org/biyearly/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, biyearly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/biyearly/thesaurus/synonyms>.
MLASmart Define. "biyearly thesaurus" 28 June 2013. Web. 21 September 2026. <https://smartdefine.org/biyearly/thesaurus/synonyms>