The feeling of uncertainty or lack of conviction.

A suspicion.

एक संदेह

English Usage: There was a doubt regarding his honesty.

Hindi Usage: उसकी ईमानदारी के बारे में एक संदेह था।

Feeling uncertain about something.

Not likely to happen.

होने की संभावना नहीं

English Usage: It seems doubtful that she will come to the party.

Hindi Usage: ऐसा लगता है कि वह पार्टी में नहीं आएगी।