diminuer

/di.mi.nɥe/
1.
verbInf1stPres

reduce

lower

make smaller

Il faut diminuer le chauffage pour faire des économies.

We need to lower the heating to save money.

2.
verbInf1stPres

fade

weaken

become less (in intensity or strength)

Sa vue commence à diminuer avec l'âge.

His eyesight is starting to fade with age.