soundest

Healthy.

“He was safe and sound.”

Complete, solid, or secure.

“Fred assured me the floorboards were sound.”

Having the property of soundness.

Good; acceptable; decent.

“"How are you?" - "I'm sound."”

(of sleep) Quiet and deep. Sound asleep means sleeping peacefully, often deeply.

“Her sleep was sound.”

Heavy; laid on with force.

“a sound beating”

Founded in law; legal; valid; not defective.

“a sound title to land”

To produce a sound.

“When the horn sounds, take cover.”

To convey an impression by one's sound.

“He sounded good when we last spoke.”

To be conveyed in sound; to be spread or published; to convey intelligence by sound.

To resound.

(often with in) To arise or to be recognizable as arising in or from a particular area of law.

To cause to produce a sound.

“He sounds the instrument.”

(of a vowel or consonant) To pronounce.

“The "e" in "house" isn't sounded.”

Dive downwards, used of a whale.

“The whale sounded and eight hundred feet of heavy line streaked out of the line tub before he ended his dive.”

To ascertain, or try to ascertain, the thoughts, motives, and purposes of (a person); to examine; to try; to test; to probe.

“When I sounded him, he appeared to favor the proposed deal.”

Test; ascertain the depth of water with a sounding line or other device.

“Mariners on sailing ships would sound the depth of the water with a weighted rope.”

To examine with the instrument called a sound or sonde, or by auscultation or percussion.

“to sound a patient, or the bladder or urethra”