frequently_asked_questions_files/Oxford Thesaurus.pdf

soundý adj. 1 undamaged, uninjured, whole, unmarred, in good condition
or shape, intact, unimpaired, unscathed: When the vase was sold
to you it was sound. 2 healthy, hale (and hearty), fit (as a
fiddle), robust, vigorous, blooming, rosy, ruddy: Old Tom is as
sound as ever. 3 firm, solid, substantial, strong, sturdy,
tough, rugged, durable, well-built, well-constructed,
dependable: A business, like a building, must be built on sound
foundations if it is to last. 4 sane, balanced, normal,
rational, wholesome, reasoning, reasonable, clear-headed, lucid,
right-minded, responsible, practical, prudent, politic, wise,
sensible, logical, common-sense, commonsensical, astute,
far-sighted, perceptive, perspicacious, percipient; valid, good,
judicious, reliable, useful: As Juvenal said, 'Mens sana in
corpore sano,' or 'A sound mind in a sound body'. My old teacher
gave me a lot of sound advice. 5 safe, secure, good,
conservative, non-speculative, solid, riskless; profitable: Are
you sure that utilities are a sound investment now? 6 unbroken,
uninterrupted, undisturbed, untroubled, peaceful, deep: I drank
the potion and at once fell into a sound sleep.
sound° v. 1 Often, sound out. plumb, probe, test, check (out or into),
fathom, inquire or enquire of, question, poll, canvass,
investigate, examine, survey: Sound out the membership on their
feelings about increasing the dues. 2 dive, plunge, submerge:
The great whale sounded, almost taking the tiny boat down with
it.
sound4 n. inlet, strait(s), fiord or fjord, bight, (sea) loch, bay,
arm of the sea, cove, Scots firth: The breeze freshened as we
sailed across the Sound of Mull.
sour adj. 1 acid, acidic, tart, vinegary, lemony, acidulous or
acidulent, acidulated, acescent, acerbic: This apple has a
pleasant, slightly sour taste. Do you like sour dill pickles? 2
turned, bad, (gone) off, fermented, curdled, rancid, spoilt or
spoiled: If the food is sour, throw it away. 3 disagreeable,
unpleasant, distasteful, bad, nasty, bitter, terrible: The poor
service and facilities made the entire holiday a very sour
experience. 4 acrimonious, bitter, embittered, unpleasant,
churlish, ill-natured, ill-tempered, bad-tempered, crusty,
curmudgeonly, crabbed, crabby, grouchy, cross, cranky, testy,
petulant, impatient, abrupt, nasty, curt, caustic, brusque,