1 tone; noise; din; cacophony; report:
This piano has a tinny sound. We could hear the sound of laughter from below. I heard nothing over the sound of the crowd. Sounds of gunfire echoed in the valley.
2 ring, tone, impression, characteristic, quality, effect, aspect, look:
I didn't like the sound of that remark.
3 hearing, range, earshot:
Anyone within the sound of his voice could tell that he was angry.
4 resound, reverberate, echo, resonate:
The noises sound very close.
5 seem, appear, look; strike one, give one the impression or feeling or sense (that); resemble, sound or seem or look like:
It sounds as if you don't want to come to my party. That sounds like Russian to me.
6 ring, (be) activate(d), (be) set or touch(ed) off, signal:
Anyone walking into the room sounds the alarm. The alarm sounds when the beam is broken.
7 Sometimes, sound out. articulate, pronounce, enunciate, utter; voice, vocalize:
I was taught to speak clearly, to sound each consonant and vowel.
8 Sometimes, sound out or off. shout (out), cry out, yell (out):
Sound out those numbers loud and clear!
9 sound off. vituperate, complain, bluster, grumble, Slang bitch:
Today Mr Morrison was again sounding off about the service in the caféé.
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.
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.
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.