annoyance (n.)
- ado
- adversity
- affliction
- aggravation
- amplification
- anger
- anxiety
- augmentation
- aversion
- bedevilment
- blight
- bore
- bother
- botheration
- bummer
- care
- contentiousness
- cross
- curse
- deepening
- deterioration
- devilment
- difficulty
- disadvantage
- disapprobation
- disapproval
- discontent
- disgust
- dislike
- displeasure
- dissatisfaction
- distaste
- distress
- downer
- drag
- embitterment
- enhancement
- enlargement
- evil
- exacerbation
- exasperation
- harassment
- hardship
- headache
- inconvenience
- increase
- indignation
- intensification
- ire
- irking
- irritant
- irritation
- magnification
- matter
- molestation
- nuisance
- pain
- persecution
- pest
- pique
- plague
- plight
- pother
- predicament
- pressure
- problem
- provocation
- repugnance
- repulsion
- resentment
- revulsion
- riding
- rigor
- souring
- stress
- teasing
- tiresomeness
- trial
- tribulation
- trouble
- troublesomeness
- vexation
- vicissitude
- worriment
- worry
- worsening
- wrath