Yes, mires is a Scrabble word!

Verb

1. Entrap

2. Cause to get stuck as if in a mire

3. Be unable to move further

4. Soil with mud, muck, or mire

Noun

1. A soft wet area of low-lying land that sinks underfoot

2. Deep soft mud in water or slush

3. A difficulty or embarrassment that is hard to extricate yourself from