fifty.
The cardinal number occurring after forty-nine and before fifty-one.
Meaning & usage
The cardinal number occurring after forty-nine and before fifty-one.
Where this word comes from
PIE word *pénkʷe Etymology tree Proto-Indo-European *pénkʷe Proto-Germanic *fimf Proto-Indo-European *déḱm̥ Proto-Indo-European *-t Proto-Indo-European *déḱm̥-t(-s) Proto-Germanic *tegun(dz) Proto-Germanic *tigiwiz Proto-Germanic *fimf tigiwiz Old English fīftiġ Middle English fifty English fifty From Middle English fifty, from Old English fīftiġ, from Proto-Germanic *fimf tigiwiz (“five tens”). By surface analysis, five + -ty.
A banknote or coin with a denomination of 50.
Do you want small bills or are fifties OK?
A batsman's score of at least 50 runs and less than 100 runs.
Where this word comes from
PIE word *pénkʷe Etymology tree Proto-Indo-European *pénkʷe Proto-Germanic *fimf Proto-Indo-European *déḱm̥ Proto-Indo-European *-t Proto-Indo-European *déḱm̥-t(-s) Proto-Germanic *tegun(dz) Proto-Germanic *tigiwiz Proto-Germanic *fimf tigiwiz Old English fīftiġ Middle English fifty English fifty From Middle English fifty, from Old English fīftiġ, from Proto-Germanic *fimf tigiwiz (“five tens”). By surface analysis, five + -ty.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.