Unsound

Synonyms of unsound

• unstable
• faulty
• flawed

Antonyms of unsound

• sound
• valid
• reliable

Collocations of unsound

unsound reasoning

Frequency: 70 %

His unsound reasoning led to a flawed conclusion.

unsound investment

Frequency: 60 %

She made an unsound investment and lost all her savings.

unsound decision

Frequency: 50 %

It was an unsound decision to trust him with such an important task.

unsound mind

Frequency: 45 %

He was declared to have an unsound mind and was placed under psychiatric care.

Idiomatic Expressions for unsound

• Phrase: unsound argument
  Meaning: refers to a weak or faulty argument that lacks logic or validity
  Usage: His unsound argument failed to convince the jury.