Definitions

1. noun

A feeling of uncertainty or lack of confidence about something.

“She began to feel a growing doubt about her decision to quit her job.”

2. verb

To feel uncertain or lack confidence about something.

“He doubts that he’ll be able to finish the project on time.”

3. verb

To question or express uncertainty about the existence or truth of something.

“Scientists doubt the findings of the recent study.”

4. noun

A small amount of something, especially a liquid, remaining after most has been used or consumed.

“There’s a small doubt of water left in the bottle.”