stimulus; impetus; incentive; encouragement; motivation; provocation
sharp pain; acute pain; intense pain
sudden; abrupt; rapid; sharp; drastic; radical
deep emotion; impression; inspiration
violent emotion; passion; fury
excitement; exasperation; indignation; rage; fury
extremely; terrifically; super
stimulating; exciting; provocative
fierce battle; hard-fought battle; hot contest; severe fight
to intensify; to be excited; to fly into a rage; to dash against; to encourage
encouragement; spurring (on); cheering (on)
violence; vehemence; fury; fervour; fervor; severity
dramatic decrease; sharp drop; sudden fall
intensification; aggravation
extremely spicy; fiery hot; extremely harsh (criticism, review, etc.); scathing
radical party; extremists
violent shock; agitation; turbulence; turmoil; upheaval; excitement
exhausting work; hard work; severe duty
severe earthquake; violent tremor
irritant odor; irritant odour; irritating smell (odor, odour)
sharp increase; sudden rise
heated argument; heated discussion; heated debate
(taking a) spectacular photograph; photo taken at just the right moment
giving a loud pep talk; encouraging (somebody) strongly in a loud voice
closely contested constituency; highly competitive marketplace; (fig.) battleground
dirt cheap; super cheap; bargain-priced
super-sweet; sickly-sweet; overly kind; overly soft (on someone)
intenseness; violence; severity; vehemence; keenness
stimulant; stimulative; excitant
flat-out run; driving at full speed
pungent smell; sharp smell; strong odor (odour)
to intensify; to be excited; to fly into a rage; to dash against; to encourage
seriously delicious; very skillful; proficient
stimulative; incentive; irritative
candidly revealing (secrets); revelation; disclosure; confession
extremism; radical belief
radical; extreme; eccentric
encouragement rally; pep rally; spirit rally
to issue a manifesto; to appeal
extreme weight gain; sudden weight gain; rapid weight gain; ballooning up
super cute; extremely cute
shop selling goods at very cheap prices; super cheap store; super discounter
gonadotropic hormone (gonadotrophic)
radical Islamism; Islamic extremism
major disaster (that necessitates economic support to its victims); serious disaster; catastrophe
being struck with awe; deeply moved with awe
follicle-stimulating hormone; FSH
shop selling goods at very cheap prices; super cheap store; super discounter
speech of encouragement; pep talk
busy job; exhausting work
severe heat; intense heat; oppressive heat
very thick; seriously thick
business-stimulating measures; economic stimulation program; measure to stimulate the economy
electric muscle stimulation; EMS
impulse conduction system (of the heart)
thyroid-stimulating hormone; TSH; thyrotropin; thyrotrophin
extremely hard; rock solid; super stiff
adrenocorticotropic hormone; adrenocorticotrophic hormone; ACTH
acute and serious; hyperacute; fulminant
transcranial magnetic stimulation; TMS
repetitive transcranial magnetic stimulation; rTMS
gonadotropic hormone (gonadotrophic)
cataclysmic variable; cataclysmic variable star; CV
deep brain stimulation; DBS
heightened tension; intensification of tension
melanocyte-stimulating hormone; MSH
noxious stimulus; NS; noxious stimuli; nociceptive stimulus
threshold stimulus; liminal stimulus
stimulus threshold; stimulus limen