irritate
1. [ verb ] cause annoyance in; disturb, esp. by minor irritations
Synonyms: bother annoy vex nettle devil get_at rile gravel nark get_to chafe rag
Examples:

: "Mosquitoes buzzing in my ear really bothers me" "It irritates me that she never closes the door after she leaves"

Related terms: displease harass antagonize ruffle torment get grate peeve fret chafe botheration mischief annoyance pique tease irritant aggravation annoyance
2. [ verb ] excite to an abnormal condition, of chafe or inflame
Examples:

"Aspirin irritates my stomach"

Related terms: soothe worsen rub chafe irritation
3. [ verb ] excite to some characteristic action or condition, such as motion, contraction, or nervous impulse, by the application of a stimulus
Examples:

"irritate the glands of a leaf"

Related terms: stimulate pinch physiology
Similar spelling:   irritated
  irritative
  irritation
  irritating
  irradiate