adjective, formal - filled with harsh criticism, bitterness, or malice; extremely sharp or hostile in tone
adverb - in a secretive, clever, or cunning way intended to deceive or trick someone
adjective - pretending to be shy or modest, often in a playful or flirtatious way
adjective - unable to be stopped, changed, or satisfied; very determined in anger or opposition
noun, British English - a senior officer in the police, ranking above inspector and below chief superintendent
adverb - in a way that is unclear or has more than one possible meaning
adjective, informal - behaving in an annoying, spoiled, or childish way, especially when complaining or demanding
adjective - intense in emotions, often associated with strong feelings such as anger or excitement
adverb - in a way that shows a willingness to take risks; confidently and courageously