aggravation (n.)
- accelerando
- acceleration
- adversity
- affliction
- agitation
- animation
- annoyance
- arousal
- bedevilment
- blight
- blowup
- bore
- bother
- botheration
- bummer
- care
- concentration
- condensation
- consolidation
- cross
- curse
- deepening
- devilment
- difficulty
- disapprobation
- disapproval
- discontent
- displeasure
- dissatisfaction
- downer
- drag
- electrification
- enhancement
- exacerbation
- exaggeration
- exasperation
- excitation
- excitement
- exhilaration
- explosion
- fomentation
- galvanization
- harassment
- hardship
- headache
- incitement
- inflammation
- infuriation
- intensification
- irritation
- magnification
- molestation
- nuisance
- persecution
- perturbation
- pest
- pickup
- plight
- pother
- predicament
- pressure
- problem
- provocation
- reinforcement
- resentment
- rigor
- speedup
- step-up
- stimulation
- stimulus
- stirring
- strengthening
- stress
- tightening
- tiresomeness
- trial
- tribulation
- trouble
- troublesomeness
- vexation
- vicissitude
- worriment
- worry
