Definition of fortnightly
(Entry 1 of 3)
: occurring or appearing once in a fortnight
fortnightly
adverbDefinition of fortnightly (Entry 2 of 3)
: once in a fortnight : every fortnight
fortnightly
noun
plural fortnightlies
Definition of fortnightly (Entry 3 of 3)
: a publication issued fortnightly
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Merriam-Webster unabridged
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Time Traveler for fortnightly
The first known use of fortnightly was in 1800
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