plonger

/plɔ̃.ʒe/
1.
verbInf1st

to dive (into water)

Il aime plonger dans la mer le matin.

He likes to dive into the sea in the morning.

Synonyms:faire un plongeon, sauter (dans l'eau)
2.
verbInf1st

to immerse (something) in a liquid; to dip

Pensez à plonger les légumes dans l'eau glacée après cuisson.

Remember to dip the vegetables into ice water after cooking.

Synonyms:immerger, tremper
3.
verbInf1st

to fall sharply; to plummet (price, numbers, performance)

Le chiffre d'affaires risque de plonger ce trimestre.

Turnover is likely to plummet this quarter.

Synonyms:chuter, dégringoler, s'effondrer
4.
verbInf1st

to immerse oneself in something; to become absorbed (in an activity, study, thought)

Se plonger dans un livre aide parfois à oublier ses soucis.

Immersing oneself in a book sometimes helps to forget one's worries.

Synonyms:s'immerger, s'investir