grin

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

a facial expression characterized by turning up the corners of the mouth;
usually shows pleasure or amusement (Freq. 6)
• Syn:
smile, smiling, grinning
• Derivationally related forms:
grin (for: grinning), smiling (for: smiling), smile (for: smiling), smile (for: smile)
• Hypernyms:
facial expression, facial gesture
• Hyponyms:
simper, smirk

II - verb

to draw back the lips and reveal the teeth, in a smile, grimace, or snarl (Freq. 18)
• Derivationally related forms:
grinner, grinning
• Hypernyms:
smile
• Verb Frames:
- Somebody ----s

• Từ đồng nghĩa / Synonyms:
  smile, smiling, grinning