1. Excessively or abnormally sensitive to stimuli; prone to becoming irritated or agitated very easily.
Usage: Medical/psychological term; Often used in clinical or developmental contexts

Examples

• The child became hyperirritable after missing his afternoon nap.
• Patients with certain neurological conditions may experience hyperirritable responses to minor stimuli.
• She noticed her toddler was hyperirritable and fussy during teething.
• The medication's side effects included a hyperirritable mood and increased anxiety.
• Lack of sleep made him hyperirritable, snapping at colleagues over trivial matters.