Yes, slight is a Scrabble word!

Verb

1. Pay no attention to, disrespect

Adjective

1. (quantifier used with mass nouns) small in quantity or degree; not much or almost none or (with `a') at least some

2. Lacking substance or significance; a fragile claim to fame"

3. Being of delicate or slender build

Noun

1. A deliberate discourteous act (usually as an expression of anger or disapproval)