Vocabulary

narrow; small; cramped

free; unrestricted; (with) complete mastery; completely in control

novel; original; new; innovative

small; little; tiny; insignificant; humble; modest

rough (estimate, outline, etc.); broad; general; loose

exaggeration; hyperbole

vigorous; healthy; sound

secret; clandestine; covert; stealthy

centrifuge

immortal; undying; indestructible

very great; enormous; serious

unfit; unsuitable; unmarketable

popular; folksy; plebeian; ordinary; unpretentious

unclean; dirty; unsanitary; filthy

excellent; superb; first-rate

honest; steady

brutal; cruel; merciless; ruthless; cold-blooded

esthetic; aesthetic

polite; courteous; hospitable

unusual; unconventional; mold-breaking; outside the box

simple; easy; simplistic

thickheaded; insensitive; dull; thick-skinned

statistical

solid; firm; stout; burly; strong; sturdy

quiet (e.g. neighbourhood); peaceful; tranquil

scholarly

slow; sluggish; dull; slack; inactive

cool; calm; composed; unconcerned; nonchalant; unmoved

exorbitant; outrageous; ridiculous; absurd; excessive; inordinate

strange; odd; unusual; eccentric; peculiar

dripping with sweat; bathed in perspiration

famous; well-known; renowned; distinguished; celebrated

thoroughly; completely; utterly

organic

radical; acute; sharp

harmless

long life

whimsy; looseness; indiscretion; laxity

rational

haughty; arrogant; proud; stuck-up