overwordExplorer
LATIN · A WORD WITH POSSIBILITIES

certus.

certain

6 characters2 syllables approx.Latina language

Meaning & usage

adj[ˈkɛr.tʊs]Classical-Latin[ˈt͡ʃɛr.tus]

  1. certain

    adjective · declension-1 · declension-2

  2. fixed, settled, firm

    adjective · declension-1 · declension-2

  3. resolved, determined

    adjective · declension-1 · declension-2
    certum est mihi [+ infinitive]

  4. sure

    adjective · declension-1 · declension-2
Where this word comes from

Etymology tree Proto-Indo-European *krey- Proto-Italic *kritos Latin certus From Proto-Italic *kritos, the original perfect passive participle of *krinō (Latin cernō). Due to the shift in meaning, it was replaced in the verbal paradigm by crētus.

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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.