Vocabulary

unsettled; uncertain; indefinite; unfixed; variable; irregular

steady; sound; stable; safe (e.g. business); reliable; trustworthy

cold; chilly; cool

comparatively high; fairly expensive

economical; comparatively cheap

single-minded; intent; determined; wholehearted; earnest; devoted (to)

informal; simplified

open; unconcealed; undisguised; blatant; plain; frank

highest (e.g. floor); top

firm; strong; solid; stable

the very best; excellent; superb

full of; brimming with

quick pace

multilateral; many-sided; diversified

required; needed; necessary

old age; ageing; aging

indefinite; unlimited

symbolic; symbolical

not be found

wonderful; marvelous; strange; incredible; amazing; curious

desperate; frantic; excited; worked up; heated; eager

equal (in ability); even; evenly matched; well-matched; on par (with)

hearty; tremendous; magnificent; glorious; splendid; heroic

wooden; made of wood

strict; close; precise; scrupulous

modest; humble

internal (e.g. mechanism, feature); built-in; equipped (with)

constructive

the ... in question

monthly

small; fine; detailed; stingy

inactive; slow; sluggish; slack; low tone; undertone

substandard; low-level

unprecedented; record-breaking

premature

useless; futile

another; different; separate; discrete

carefree; comfortable; at ease

immediate; right there on the spot; impromptu; instant; instantaneous

relative