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A list of emotions supported by the Lettria API for emotion detection in text on a document and sentence level, and their descriptions.

neutralNo particular emotion in this sentence.
admirationFinding something impressive or worthy of respect.
amusementFinding something funny or being entertained.
angerA strong feeling of displeasure or antagonism.
annoyanceMild anger irritation.
approvalHaving or expressing a favorable opinion.
caringDisplaying kindness and concern for others.
confusionLack of understanding uncertainty.
curiosityA strong desire to know or learn something.
desireA strong feeling of wanting something or wishing for something to happen.
disappointmentSadness or displeasure caused by the nonfulfillment of one’s hopes or expectations.
disapprovalHaving or expressing an unfavorable opinion.
disgustRevulsion or strong disapproval aroused by something unpleasant or offensive.
embarrassmentSelf-consciousness shame or awkwardness.
excitementFeeling of great enthusiasm and eagerness.
fearBeing afraid or worried.
gratitudeA feeling of thankfulness and appreciation.
griefIntense sorrow especially caused by someone’s death.
joyA feeling of pleasure and happiness.
loveA strong positive emotion of regard and affection.
nervousnessApprehension worry anxiety.
optimismHopefulness and confidence about the future or the success of something.
pridePleasure or satisfaction due to ones own achievements or the achievements of those with whom one is closely associated.
realizationBecoming aware of something.
reliefReassurance and relaxation following release from anxiety or distress.
remorseRegret or guilty feeling.
sadnessEmotional pain sorrow.
surpriseFeeling astonished startled by something unexpected.