also bi-monthly, 1846, "happening once in two months, every two months," also "occurring twice a month," a hybrid from bi- "two" + monthly. Bimensal in the same sense is attested in 1670s.
the bill was payable bimonthly
bimonthly visits
billowy
billy
bimbo
bimetallic
bimodal
bimonthly
bin
binary
binate
binaural
bind
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