Difference between Unsound and Bad

Unsound

Part of speech: adjective

Definition: Not sound; not whole; not solid; defective; infirm; diseased.

Bad

Part of speech: noun

Definition: error, mistake

Part of speech: adverb

Definition: Badly.

Part of speech: verb

Definition: To shell (a walnut).

Part of speech: adjective

Definition: Not good; unfavorable; negative.Seemingly non-appropriate, in manners, etc.Not suitable or fitting.tricky; stressful; unpleasantevil, wickedfaulty; not functionalOf food, spoilt, rotten, overripe.Of breath, malodorous, foul.bold and daringSevere, urgent (of a need or want).fantastic

Example sentence: When I'm good, I'm very good. But when I'm bad I'm better.