different between mistaken vs unsound

English

Pronunciation

• IPA^(key): /m?s?te?k?n/
• Rhymes: -e?k?n

Verb

mistaken

1. past participle of mistake

   I'm frequently mistaken for my brother.

Adjective

mistaken (comparative more mistaken, superlative most mistaken)

1. Erroneous.

   A mistaken sense of loyalty.

2. (with a copula verb, often with about) Having an incorrect belief.

   I think you must be mistaken.

   He admitted he was mistaken about the budget numbers.

Usage notes

• The phrase if I'm not mistaken (and variations) is used to indicate that one is uncertain about something one has said.
• Nouns to which mistaken is often applied: identity, belief, notion, view, assumption, impression, idea, thinking, identification, diagnosis, interpretation, person, opinion, conclusion, judgment, conception, perception, theory, reading, concept.

Derived terms

• mistaken identity

Translations

Anagrams

• mankiest

English

Etymology

un- +? sound.

Pronunciation

• enPR: ?n-sound?, IPA^(key): /??n?sa?nd/
• Rhymes: -a?nd

Adjective

unsound (comparative more unsound or unsounder, superlative most unsound or unsoundest)

1. Not sound, particularly:
   1. Not whole, not solid, defective.
   2. (especially of equestrianism) Infirm, diseased.
   3. (Britain, especially of people) Not good, unreliable.
      • 1919, P.G. Wodehouse, My Man Jeeves:

        You would not like Nietzsche, sir. He is fundamentally unsound.

Antonyms

• sound

Derived terms

• unsoundly
• unsoundness