asymmetrical-lipped

adjective
UK /ˌeɪsɪˈmɛtrɪkəl lɪpt/
US /ˌeɪsɪˈmɛtrɪkəl lɪpt/

Having lips that are not the same shape or size on both sides.

The clay mask had an asymmetrical-lipped smile that made it look funny.


OTHER MEANINGS

2. Describing a flower whose petals form lips of different sizes.

The orchid is asymmetrical-lipped, with one petal much larger than the other.

3. Describing a container or opening with one edge higher or wider than the other.

The pitcher's asymmetrical-lipped rim made pouring easier on one side.

4. Describing a sound or speech pattern where lip movement is uneven on each side.

His asymmetrical-lipped pronunciation was noted by the speech therapist.