Vocabulary

malicious; spiteful; vicious; wicked; devious; underhanded

pitiful; unfortunate; poor; miserable; wretched

convenient; favorable; favourable; expedient; expedience

cleverness; skill; tact

busy; hectic; hurried; rushed

narrow (blade)

secret; clandestine; covert; stealthy

centrifuge

profound; deep

established; existing

inverted; upside down; reversed; back to front

gracious (defeat, apology, etc.); graceful; honourable (e.g. death); noble; gallant; brave

vigorous; healthy; sound

exaggeration; hyperbole

thick; deep; heavy

small; little; tiny; insignificant; humble; modest

novel; original; new; innovative

second best

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

narrow; small; cramped

tragic

fragmentary

paper-thin (difference); razor-thin; very slight

water-based; aqueous

lofty; sublime; noble

an infinite variety of; multifarious; being extremely varied and wide-ranging

aforementioned; above-mentioned

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

unforeseen; unexpected; sudden; accidental

dangerous; unsettled; troubled; disturbed; insecure

ordinary; common; commonplace; mediocre; unremarkable; undistinguished

separate; special; another

defenseless; defenceless; unprotected; vulnerable

heroic; brave; majestic; soul-stirring; lively; gallant

disorder; confusion; chaos

cool-headed; level-headed; hard-headed

very great; enormous; serious

longed-for; anxiously awaited

polite; courteous; hospitable

statistical