gratuitement

/ɡʁa.tɥit.mɑ̃/
1.
adverb

for free

free of charge

Ils ont distribué des échantillons gratuitement.

They handed out samples for free.

2.
adverb

without reason

needlessly

unprovoked

Il m'a insulté gratuitement, alors que je n'avais rien dit.

He insulted me for no reason, even though I hadn't said anything.