fondre

/fɔ̃dʁ/
1.
verbInf3rdPres

to melt

to liquefy

to thaw

Je préfère regarder la neige fondre au printemps.

I prefer watching the snow melt in spring.

2.
verbInf3rdPres

to lose weight rapidly

to slim down

Depuis qu'il court tous les matins, on le voit fondre.

Since he started running every morning, you can see him slimming down.

3.
verbInf3rdPres

to decrease rapidly

to dwindle

to plummet

Avec la concurrence, les prix risquent de fondre rapidement.

With the competition, prices may drop rapidly.

4.
verbInf3rdPres

to be emotionally overcome (e.g., to fall for someone or to be moved to tears)

Il a commencé à fondre pour elle dès le premier rendez-vous.

He began to fall for her from the very first date.

5.
verbInf3rdPres

to swoop down on

to pounce on

to attack suddenly

Quand l'alerte sonne, les chiens fondent souvent sur l'intrus.

When the alarm sounds, the dogs often pounce on the intruder.