Portuguese verb

Conjugation of diminuir

The Portuguese verb diminuir means "to decrease". Below are its 7 tenses as tables, with the irregular forms marked, 4 example sentences and answers to 3 common questions. Press play next to a present tense form or an example to hear it.

Meaning
to decrease
Type
Irregular -ir verb
Gerund
diminuindo
Past participle
diminuído
Quick answer

The present tense of diminuir is eu diminuo, tu diminuis, ele/ela diminui, nós diminuímos, vós diminuís, eles/elas diminuem. It is irregular: 4 of its 6 present forms break the regular -ir pattern. The tables below cover 7 tenses, from the present to the imperative. Every present form and 4 example sentences have a listen button.

Present tense of diminuir

Forms in orange break the regular -ir pattern.

Present Presente
eu diminuo
tu diminuis (irregular)
ele/ela diminui (irregular)
nós diminuímos (irregular)
vós diminuís (irregular)
eles/elas diminuem

More tenses of diminuir

Simple past Pretérito perfeito
eu diminuí (irregular)
tu diminuíste (irregular)
ele/ela diminuiu
nós diminuímos (irregular)
vós diminuístes (irregular)
eles/elas diminuíram (irregular)
Imperfect Pretérito imperfeito
eu diminuía (irregular)
tu diminuías (irregular)
ele/ela diminuía (irregular)
nós diminuíamos
vós diminuíeis
eles/elas diminuíam (irregular)
Future Futuro
eu diminuirei
tu diminuirás
ele/ela diminuirá
nós diminuiremos
vós diminuireis
eles/elas diminuirão
Conditional Condicional
eu diminuiria
tu diminuirias
ele/ela diminuiria
nós diminuiríamos
vós diminuiríeis
eles/elas diminuiriam
Present subjunctive Presente do subjuntivo
que eu diminua
que tu diminuas
que ele/ela diminua
que nós diminuamos
que vós diminuais
que eles/elas diminuam
Imperative Imperativo
tu diminui (irregular)
você diminua
nós diminuamos
vós diminuí (irregular)
vocês diminuam

Notes on diminuir

Diminuir is irregular. Its present forms include diminuís, diminui and diminuímos, and its past participle is diminuído. The accent marks in diminuí, diminuístes and diminuíram are important spelling details.

Meet diminuir in real Portuguese books

Lingo7 is an app for reading books in Portuguese with a translation under every sentence and audio, so the forms in these tables come back in context.

Example sentences with diminuir

  • Os preços diminuíram este mês. Prices decreased this month.
  • A dor diminui depois do descanso. The pain decreases after resting.
  • A produção diminuirá no próximo ano. Production will decrease next year.
  • O barulho diminuía durante a noite. The noise decreased during the night.

Frequently asked questions

Is diminuir a regular or irregular Portuguese verb?

Diminuir is irregular. The table shows irregular forms such as diminuís, diminui and diminuímos in the present, and diminuído as the past participle.

What are the present tense forms of diminuir?

The present forms are diminuo, diminuis, diminui, diminuímos, diminuís and diminuem.

What is the past participle of diminuir?

The past participle is diminuído. The gerund is diminuindo.