garantir

/ɡa.ʁɑ̃.tiʁ/
1.
verbInf2nd

to guarantee

to assure

to warrant

to ensure (that ...)

to vouch for

Je vais garantir que tout sera prêt pour demain.

I'll guarantee that everything will be ready for tomorrow.

Synonyms:assurer, certifier, promettre
2.
verbInf2nd

to guarantee (against)

to insure

to protect/cover against (a risk)

Le contrat garantit la voiture contre le vol.

The policy guarantees/insures the car against theft.

Synonyms:protéger, couvrir, assurer