sound

n. something that you can hear or that is made by vibrations.

n. a sensation perceived by the ear caused by vibrations transmitted through a medium such as air or water.

“The sound of the rain on the roof helped me fall asleep.”

“The acoustic properties of the hall ensured that every sound from the stage reached the back row with perfect clarity.”

n. a narrow area of water that connects two larger areas of water.

n. a long, relatively wide passage of ocean water or an inlet, often connecting two larger bodies of water or separating an island from the mainland.

“The ferry crossed the sound to reach the island.”

“Navigating the sound required a deep understanding of the local currents and the hidden sandbars that shifted with each tide.”

v. to give a certain impression when you hear or read about something.

v. to convey a specific impression or quality when heard or described; functions as a copular verb.

“That sounds like a great idea for a weekend trip.”

“The proposal sounds promising in theory, though the financial projections seem somewhat optimistic given the current market volatility.”

v. to try to find out what someone thinks or how deep water is.

v. to measure the depth of water or, figuratively, to examine or probe someone's thoughts and intentions.

“I will sound him out about the new project before the meeting.”

“The diplomat spent the afternoon sounding out his counterparts to gauge their willingness to compromise on the treaty.”

Formal

adj. in good condition, healthy, or based on good evidence.

adj. physically healthy, structurally stable, or logically valid and reliable.

“The doctor said he has a sound heart and is very fit.”

“The architect confirmed that the building's foundations were sound, despite the visible cracks in the upper masonry.”

adj. used to describe a very deep and peaceful sleep.

adj. referring to sleep that is deep, uninterrupted, and heavy.

“She was in a sound sleep and didn't hear the phone ring.”

“After forty-eight hours on duty, the surgeon fell into a sound sleep that even the hospital sirens could not disturb.”

adj. used to say that someone is a good person or something is okay.

adj. denoting a person who is dependable and likable, or a situation that is satisfactory.

“He's a sound guy; he helped me move house last week.”

“I've known the landlord for years and he's always been sound regarding repairs and rent increases.”

British English · Slang · Informal

interj. a way to say 'yes', 'okay', or 'I understand'.

interj. used as an exclamation to express agreement, understanding, or approval.

“"I'll meet you at eight." "Sound, see you then."”

“When I told him the plan for the weekend, he just nodded and said, "Sound," before heading out the door.”

British English · Slang · Informal