introvert-unicorn:

Words to describe facial expressions

• Absent:preoccupied 
• Agonized: as if in pain or tormented
• Alluring:attractive, in the sense of arousing desire
• Appealing:attractive, in the sense of encouraging goodwill and/or interest
• Beatific:blissful
• Black:angry or sad, or hostile
• Bleak:hopeless
• Blinking:surprise, or lack of concern
• Blithe:carefree, lighthearted, or heedlessly indifferent
• Brooding: anxious and gloomy
• Bug eyed: frightened or surprised
• Chagrined: humiliated or disappointed
• Cheeky: cocky, insolent
• Cheerless:sad
• Choleric: hot-tempered, irate
• Darkly:with depressed or malevolent feelings
• Deadpan:expressionless, to conceal emotion or heighten humor
• Despondent: depressed or discouraged
• Doleful: sad or afflicted
• Dour: stern or obstinate
• Dreamy: distracted by daydreaming or fantasizing
• Ecstatic: delighted or entranced
• Faint: cowardly, weak, or barely perceptible
• Fixed: concentrated or immobile
• Gazing:staring intently
• Glancing: staring briefly as if curious but evasive
• Glazed: expressionless due to fatigue or confusion
• Grim:fatalistic or pessimistic
• Grave: serious, expressing emotion due to loss or sadness
• Haunted: frightened, worried, or guilty
• Hopeless:depressed by a lack of encouragement or optimism
• Hostile:aggressively angry, intimidating, or resistant
• Hunted: tense as if worried about pursuit
• Jeering:insulting or mocking
• Languid: lazy or weak
• Leering:sexually suggestive
• Mild:easygoing
• Mischievous:annoyingly or maliciously playful
• Pained:affected with discomfort or pain
• Peering: with curiosity or suspicion
• Peeved:annoyed
• Pleading: seeking apology or assistance
• Quizzical: questioning or confused
• Radiant: bright, happy
• Sanguine: bloodthirsty, confident
• Sardonic:mocking
• Sour:unpleasant
• Sullen:resentful
• Vacant:blank or stupid looking
• Wan:pale, sickly
• Wary: cautious or cunning
• Wide eyed: frightened or surprised
• Withering:devastating
• Wrathful: indignant or vengeful
• Wry: twisted or crooked to express cleverness or a dark or ironic feeling