ne

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1. General
particle

First element of the standard negation in French, used with words like 'pas', 'plus', 'jamais', 'rien' to negate a verb; frequently omitted in casual spoken French

Je ne sais pas quoi faire ce soir.

I don't know what to do tonight.

2. General
particle

Expletive 'ne' that appears after certain verbs or expressions (fear, prevention, comparison, etc.) without creating a negative meaning

J'ai peur qu'il ne pleuve demain.

I'm afraid it might rain tomorrow.

ne - French Definition & Examples