Physical Appearance:
* Wide: A wide mouth, often associated with a big smile.
* Small: A small mouth, perhaps delicate or refined.
* Full: A full mouth, suggesting plump lips or a large opening.
* Thin: Thin lips, often considered attractive.
* Puckered: A puckered mouth, as if about to kiss.
* Open: An open mouth, suggesting surprise or awe.
* Closed: A closed mouth, perhaps holding back words.
* Dry: A dry mouth, possibly due to dehydration or anxiety.
* Wet: A wet mouth, perhaps from saliva or a drink.
* Chapped: A chapped mouth, indicating dryness and irritation.
* Bloodstained: A bloodstained mouth, suggesting injury or violence.
Descriptive:
* Hungry: A hungry mouth, eager for food.
* Angry: An angry mouth, perhaps gritting teeth or shouting.
* Smiling: A smiling mouth, expressing happiness or amusement.
* Frowning: A frowning mouth, showing displeasure or sadness.
* Whispering: A whispering mouth, speaking softly and quietly.
* Speaking: A speaking mouth, communicating verbally.
* Singing: A singing mouth, producing musical sounds.
* Laughing: A laughing mouth, expressing joy and amusement.
* Yawning: A yawning mouth, indicating tiredness or boredom.
* Greedy: A greedy mouth, wanting more than it needs.
Figurative:
* Voracious: A voracious mouth, consuming everything in its path.
* Hungry: A hungry mouth, eager for knowledge or experience.
* Thirsty: A thirsty mouth, seeking information or understanding.
* Eloquent: An eloquent mouth, speaking with skill and grace.
* Sharp: A sharp mouth, capable of cutting words or criticism.
* Sweet: A sweet mouth, speaking kindly and gently.
* Bitter: A bitter mouth, expressing anger or resentment.
* Poisonous: A poisonous mouth, spreading lies or slander.
* Seductive: A seductive mouth, enticing or alluring.
These are just a few examples, and the best adjectives to use will depend on the specific context.