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je desserre

loosen, slacken

d e . s ɛ ʁ → desserrer
des undo or reverse + serr to squeeze, to grip tightly + e je/il/elle present or subjunctive; tu command
verb · 1st-person singular, present tense / 3rd-person singular, present tense / 2nd-person singular Rare #47,912
loosen, slacken Informal singular command form.
FR: Desserre un peu cette vis.
EN: Loosen this screw a little.
Conjugation of desserrer
Indicative present
SingularPlural
First desserre —
Third desserre —
Subjunctive present
SingularPlural
First desserre —
Third desserre —
Imperative
SingularPlural
Second desserre —

Desserre la main.

Loosen your grip.

— Douleur et gloire (2019)

Hé, desserre un peu le collier de ce pauvre chien.

Hey, loosen that poor dog's collar a little.

— Marty Supreme (2025)

Desserre-la-moi un peu.

Loosen it for me a little.

— Lady Vengeance (2005)

Je ne comprends pas pourquoi ceci se desserre toujours.

I don't understand why this keeps coming loose.

Vers la droite, on serre et on desserre vers la gauche.

To the right, we tighten and to the left we loosen.

Sounds similar to

défaire d e . f ɛ ʁ désert d e . z ɛ ʁ