靥

Its parts

• 厌 yàn to loathe; to be fed up with = 厂 + 犬 sound
• 面 miàn face = 丆 + 囬 meaning

Traditional 靨 is 厭 and 面.

Other characters with 厌 as their sound:

魇 yǎn厣 yǎn餍 yàn恹 yān黡 yǎn𢬍 yè

Dictionaries file it under 面.