1. In a composed and unconcerned manner
   - coolly, nervelessly 
2. In an unconcerned manner
   - casually

See also: nonchalant

• hyperopia
• hyperopic
• Hyperotreta
• hyperparathyroidism
• hyperphysical
• hyperpiesia
• hyperpiesis
• hyperpigmentation
• hyperpituitarism
• hyperplasia
• hyperpnea
• hyperpyrexia
• hypersecretion
• hypersensitised
• hypersensitive
• hypersensitivity
• hypersensitivity reaction
• hypersensitized
• hypersomnia
• hypersonic
• hyperspace
• hypersplenism
• Hyperstat
• hypersthene
• hypersurface