Yes, sweep is a Scrabble word!

Verb

1. Sweep across or over

2. Move with sweeping, effortless, gliding motions

3. Sweep with a broom or as if with a broom

4. Force into some kind of situation, condition, or course of action

5. To cover or extend over an area or time period

6. Clean by sweeping

7. Win an overwhelming victory in or on

8. Cover the entire range of

9. Make a big sweeping gesture or movement

Noun

1. A wide scope

2. Someone who cleans soot from chimneys

3. Winning all or all but one of the tricks in bridge

4. A long oar used in an open boat

5. (American football) an attempt to advance the ball by running around the end of the line

6. A movement in an arc