grimace /grimˈəs or gri-māsˈ/

1. A distortion of the face, in fun, disgust, etc
2. A smirk

To make grimaces

grimˈacer noun

• hatha yoga
• hating
• hatless
• hatlessness
• hatlessnesses
• hatpeg
• hatpegs
• hatpin
• hatpins
• hat plant
• hat-plant
• hat-plants
• hatrack
• hatracks
• hatred
• hatreds
• hats
• hats off to
• hatstand
• hatstands
• hatted
• hatter
• hattered
• Hatteria
• hattering