rien

/ʁjɛ̃/
1. General
pronoun

nothing

not anything (used mainly in negative contexts)

J'ai rien fait, je t'assure.

I didn't do anything, I assure you.

Synonyms:rien du tout, que dalle, pas grand-chose
2. General
nounmasculine

a trifle; something insignificant

Il s'énerve pour un rien.

He gets upset over nothing (a trivial thing).

Synonyms:broutille, bagatelle, chose sans importance