irritate (v.)
- abrade
- afflict
- affront
- aggravate
- agonize
- ail
- alienate
- amplify
- anger
- annoy
- arouse
- augment
- bite
- bother
- bristle
- bug
- burn
- chafe
- convulse
- crucify
- cut
- damage
- deepen
- deteriorate
- dilapidate
- disaffect
- distress
- disunite
- divide
- embitter
- enhance
- enlarge
- enrage
- estrange
- exacerbate
- exasperate
- excruciate
- exercise
- fester
- fluster
- fret
- gall
- get
- gnaw
- grate
- gravel
- grind
- gripe
- grit
- harass
- harm
- harrow
- harry
- hassle
- hector
- heighten
- huff
- hurt
- impair
- incense
- increase
- inflame
- injure
- intensify
- irk
- lacerate
- magnify
- martyr
- martyrize
- miff
- nag
- needle
- nettle
- nip
- offend
- pain
- peeve
- pester
- pierce
- pinch
- pique
- plague
- prick
- provoke
- rack
- rankle
- rasp
- rile
- roil
- rub
- ruffle
- separate
- sharpen
- sour
- stab
- sting
- torment
- torture
- trouble
- try
- tweak
- twist
- vex
- weaken
- worry
- worsen
- wound
- wring