Conjugation of to define

All tenses of the English verb, with every person.

to define
To determine with precision; to mark out with distinctness; to ascertain or exhibit clearly.
regular verb
Infinitivedefine
Past simpledefined
Past participledefined
-ing formdefining
Full conjugation of the English verb to define (past simple defined, past participle defined): present simple and continuous, past simple and continuous, present perfect, past perfect, future, conditional, subjunctive and imperative, with all persons.

Indicative

Present simple

I define
you define
he/she/it defines
we define
you define
they define

Present continuous

I am defining
you are defining
he/she/it is defining
we are defining
you are defining
they are defining

Present perfect

I have defined
you have defined
he/she/it has defined
we have defined
you have defined
they have defined

Present perfect continuous

I have been defining
you have been defining
he/she/it has been defining
we have been defining
you have been defining
they have been defining

Past simple

I defined
you defined
he/she/it defined
we defined
you defined
they defined

Past continuous

I was defining
you were defining
he/she/it was defining
we were defining
you were defining
they were defining

Past perfect

I had defined
you had defined
he/she/it had defined
we had defined
you had defined
they had defined

Past perfect continuous

I had been defining
you had been defining
he/she/it had been defining
we had been defining
you had been defining
they had been defining

Future simple

I will define
you will define
he/she/it will define
we will define
you will define
they will define

Future continuous

I will be defining
you will be defining
he/she/it will be defining
we will be defining
you will be defining
they will be defining

Future perfect

I will have defined
you will have defined
he/she/it will have defined
we will have defined
you will have defined
they will have defined

Future perfect continuous

I will have been defining
you will have been defining
he/she/it will have been defining
we will have been defining
you will have been defining
they will have been defining

Conditional

Present

I would define
you would define
he/she/it would define
we would define
you would define
they would define

Present continuous

I would be defining
you would be defining
he/she/it would be defining
we would be defining
you would be defining
they would be defining

Perfect

I would have defined
you would have defined
he/she/it would have defined
we would have defined
you would have defined
they would have defined

Perfect continuous

I would have been defining
you would have been defining
he/she/it would have been defining
we would have been defining
you would have been defining
they would have been defining

Subjunctive

Present

that I define
that you define
that he/she/it define
that we define
that you define
that they define

Past

if I defined
if you defined
if he/she/it defined
if we defined
if you defined
if they defined

Imperative

Affirmative

you define
we let's define

Negative

you don't define
we let's not define

Non-finite forms

Infinitive

to define

Perfect infinitive

to have defined

Present participle / gerund

defining

Past participle

defined

Conjugations: Wiktionary (via kaikki.org), adapted, licensed under CC BY-SA 4.0.