Complete conjugation reference for definir (to define) — all 13 tenses with example sentences, grammar notes and GCSE tips.
Practice definir free →Definir is a regular -irr verb meaning to define.
definir — see conjugation tables above for usage examples.
Make sure you apply the correct endings for definir in each tense and pronoun. Check the tables above and practice regularly.
definir is a regular -irr verb. It follows the standard -irr pattern across all tenses.
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yo: defino, tú: defines, él: define, nosotros: definimos, vosotros: definís, ellos: definen
Definir is a regular -irr verb following the standard -irr pattern.
Use definir in multiple tenses to show range — present, preterite and future at minimum. This is a key criterion for higher GCSE marks.