What does definir mean in English?

Definir means "to define" in English.

How do you conjugate definir in Spanish?

Definir is conjugated across all Spanish tenses including present, preterite, imperfect, future, conditional, subjunctive, and more. Each tense has specific conjugations for yo, tú, él/ella/usted, nosotros, vosotros, and ellos/ustedes. You can see complete conjugation tables with audio pronunciations on this page.

How do you use definir in a sentence?

Example: "Definí los términos." which means "I defined the terms." in English.

What are synonyms for definir?

Spanish synonyms for definir include: determinar. The exact synonym to use depends on the context and specific meaning intended.

Definir

to define

🎯

Infinitive (infinitivo)

Base form of the verb

definir

🏃

Gerund (gerundio)

Present participle (-ing form)

definiendo

📋

Past Participle

Used in compound tenses

definido

Simple Tenses

⚡

Present Indicative (presente de indicativo)

Present actions and habitual activities

Person	Conjugation	English
yo	defino I define	I define
tú	defines you define	you define
él/ella/usted	define he/she/you defines	he/she/you defines
nosotros	definimos we define	we define
vosotros	definís you all define	you all define
ellos/ustedes	definen they/you all define	they/you all define

🕰️

Imperfect Indicative (imperfecto de indicativo)

Ongoing past actions and descriptions

Person	Conjugation	English
yo	definía I used to define	I used to define
tú	definías you used to define	you used to define
él/ella/usted	definía he/she/you used to define	he/she/you used to define
nosotros	definíamos we used to define	we used to define
vosotros	definíais you all used to define	you all used to define
ellos/ustedes	definían they/you all used to define	they/you all used to define

📅

Preterit (pretérito)

Completed past actions

Person	Conjugation	English
yo	definí I defined	I defined
tú	definiste you defined	you defined
él/ella/usted	definió he/she/you defined	he/she/you defined
nosotros	definimos we defined	we defined
vosotros	definisteis you all defined	you all defined
ellos/ustedes	definieron they/you all defined	they/you all defined

🔮

Future (futuro)

Future actions and intentions

Person	Conjugation	English
yo	definiré I will define	I will define
tú	definirás you will define	you will define
él/ella/usted	definirá he/she/you will define	he/she/you will define
nosotros	definiremos we will define	we will define
vosotros	definiréis you all will define	you all will define
ellos/ustedes	definirán they/you all will define	they/you all will define

🎯

Conditional (potencial simple)

Hypothetical and conditional actions

Person	Conjugation	English
yo	definiría I would define	I would define
tú	definirías you would define	you would define
él/ella/usted	definiría he/she/you would define	he/she/you would define
nosotros	definiríamos we would define	we would define
vosotros	definiríais you all would define	you all would define
ellos/ustedes	definirían they/you all would define	they/you all would define

💭

Present Subjunctive (presente de subjuntivo)

Subjective present actions and desires

Person	Conjugation	English
yo	defina that I define	that I define
tú	definas that you define	that you define
él/ella/usted	defina that he/she/you define	that he/she/you define
nosotros	definamos that we define	that we define
vosotros	defináis that you all define	that you all define
ellos/ustedes	definan that they/you all define	that they/you all define

🌙

Imperfect Subjunctive (imperfecto de subjuntivo)

Subjective past actions and hypothetical situations

Person	Conjugation	English
yo	definiera or definiese that I defined	that I defined
tú	definieras or definieses that you defined	that you defined
él/ella/usted	definiera or definiese that he/she/you defined	that he/she/you defined
nosotros	definiéramos or definiésemos that we defined	that we defined
vosotros	definierais or definieseis that you all defined	that you all defined
ellos/ustedes	definieran or definiesen that they/you all defined	that they/you all defined

Compound Tenses

✅

Present Perfect (perfecto de indicativo)

Actions completed recently or with present relevance

Person	Conjugation	English
yo	he definido I have defined	I have defined
tú	has definido you have defined	you have defined
él/ella/usted	ha definido he/she/you have defined	he/she/you have defined
nosotros	hemos definido we have defined	we have defined
vosotros	habéis definido you all have defined	you all have defined
ellos/ustedes	han definido they/you all have defined	they/you all have defined

⏪

Pluperfect Indicative (pluscuamperfecto de indicativo)

Actions completed before another past action

Person	Conjugation	English
yo	había definido I had defined	I had defined
tú	habías definido you had defined	you had defined
él/ella/usted	había definido he/she/you had defined	he/she/you had defined
nosotros	habíamos definido we had defined	we had defined
vosotros	habíais definido you all had defined	you all had defined
ellos/ustedes	habían definido they/you all had defined	they/you all had defined

📍

Preterit Perfect (pretérito anterior)

Actions completed immediately before another past action

Person	Conjugation	English
yo	hube definido I had defined	I had defined
tú	hubiste definido you had defined	you had defined
él/ella/usted	hubo definido he/she/you had defined	he/she/you had defined
nosotros	hubimos definido we had defined	we had defined
vosotros	hubisteis definido you all had defined	you all had defined
ellos/ustedes	hubieron definido they/you all had defined	they/you all had defined

🎊

Future Perfect (futuro perfecto)

Actions that will be completed by a future time

Person	Conjugation	English
yo	habré definido I will have defined	I will have defined
tú	habrás definido you will have defined	you will have defined
él/ella/usted	habrá definido he/she/you will have defined	he/she/you will have defined
nosotros	habremos definido we will have defined	we will have defined
vosotros	habréis definido you all will have defined	you all will have defined
ellos/ustedes	habrán definido they/you all will have defined	they/you all will have defined

🔄

Conditional Perfect (potencial compuesto)

Actions that would have been completed under certain conditions

Person	Conjugation	English
yo	habría definido I would have defined	I would have defined
tú	habrías definido you would have defined	you would have defined
él/ella/usted	habría definido he/she/you would have defined	he/she/you would have defined
nosotros	habríamos definido we would have defined	we would have defined
vosotros	habríais definido you all would have defined	you all would have defined
ellos/ustedes	habrían definido they/you all would have defined	they/you all would have defined

💫

Subjunctive Present Perfect (perfecto de subjuntivo)

Subjective actions completed in relation to the present

Person	Conjugation	English
yo	haya definido that I have defined	that I have defined
tú	hayas definido that you have defined	that you have defined
él/ella/usted	haya definido that he/she/you have defined	that he/she/you have defined
nosotros	hayamos definido that we have defined	that we have defined
vosotros	hayáis definido that you all have defined	that you all have defined
ellos/ustedes	hayan definido that they/you all have defined	that they/you all have defined

🌌

Subjunctive Past Perfect (pluscuamperfecto de subjuntivo)

Subjective actions completed before another past action

Person	Conjugation	English
yo	hubiera definido that I had defined	that I had defined
tú	hubieras definido that you had defined	that you had defined
él/ella/usted	hubiera definido that he/she/you had defined	that he/she/you had defined
nosotros	hubiéramos definido that we had defined	that we had defined
vosotros	hubierais definido that you all had defined	that you all had defined
ellos/ustedes	hubieran definido that they/you all had defined	that they/you all had defined

❗

Commands (imperativo)

Commands and direct orders

Person	Command	English
tú	define	define! (you)
usted	defina	define! (you formal)
nosotros	definamos	let's define!
vosotros	definid	define! (you all)
ustedes	definan	define! (you all)

🚫

Negative Commands (imperativo negativo)

Negative commands and prohibitions

Person	Command	English
tú	no definas	don't define! (you)
usted	no defina	don't define! (you formal)
nosotros	no definamos	let's not define!
vosotros	no defináis	don't define! (you all)
ustedes	no definan	don't define! (you all)

More About "definir"

Examples in Context

Definí los términos.

I defined the terms.

Preterite

Defino mis objetivos.

I define my objectives.

Present

Han definido las reglas.

They have defined the rules.

Present Perfect

Definiré el plan.

I will define the plan.

Future

Synonyms & Antonyms

Synonyms:

determinar(to determine)

Similar meaning in some contexts

Usage Notes

•Definir is a regular -ir verb
•Main meaning: to define

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