Yes, dash is a Scrabble word!

Verb

1. Run or move very quickly or hastily

2. Break into pieces, as by striking or knocking over

3. Hurl or thrust violently

4. Destroy or break

5. Cause to lose courage

6. Add an enlivening or altering element to

Noun

1. Distinctive and stylish elegance

2. A quick run

3. A footrace run at top speed

4. A punctuation mark (-) used between parts of a compound word or between the syllables of a word when the word is divided at the end of a line of text

5. The longer of the two telegraphic signals used in Morse code

6. The act of moving with great haste