fiar.
to guarantee
Meaning & usage
to guarantee
to sell on credit; to give credit; to put on the slate
to entrust
to confide
(+ de) to trust
Ya no me fío de él.
Where this word comes from
Etymology tree Proto-Indo-European *bʰeydʰ- Proto-Indo-European *bʰéydʰeti Proto-Italic *feiðō Latin fīdere Vulgar Latin *fīdāre Old Spanish fiar Spanish fiar Inherited from Old Spanish fiar, from Vulgar Latin *fīdāre, from Latin fīdere with a change in conjugation.
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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.