Birthday
//ˈbɜːθ.di//
Word Forms of "birthday" (9 forms)
Noun
Verb
| Form | Word | |
|---|---|---|
| Alternative, Archaic | birth-day | |
| Alternative, Pronunciation-Spelling | birfday | |
| Participle, Past | birthdayed | |
| Participle, Present | birthdaying | |
| Past | birthdayed | |
| Present, Singular, Third-Person | birthdays |
Alternative, Archaicbirth-day
Alternative, Pronunciation-Spellingbirfday
Participle, Pastbirthdayed
Participle, Presentbirthdaying
Pastbirthdayed
Present, Singular, Third-Personbirthdays
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.