Mistaken

[mi-stey-kuh n] /mɪˈsteɪ kən/

adjective
1.
wrongly conceived, held, or done:
a mistaken antagonism.
2.
erroneous; incorrect; wrong:
a mistaken answer.
3.
having made a ; being in error.
[mi-steyk] /mɪˈsteɪk/
noun
1.
an error in action, calculation, opinion, or judgment caused by poor reasoning, carelessness, insufficient knowledge, etc.
2.
a misunderstanding or misconception.
verb (used with object), mistook, mistaken, mistaking.
3.
to regard or identify wrongly as something or someone else:
I mistook him for the mayor.
4.
to understand, interpret, or evaluate wrongly; misunderstand; misinterpret.
verb (used without object), mistook, mistaken, mistaking.
5.
to be in error.
Idioms
6.
and no mistake, for certain; surely:
He’s an honorable person, and no mistake.
/mɪˈsteɪkən/
adjective
1.
(usually predicative) wrong in opinion, judgment, etc: she is mistaken
2.
arising from error in judgment, opinion, etc: a mistaken viewpoint
/mɪˈsteɪk/
noun
1.
an error or blunder in action, opinion, or judgment
2.
a misconception or misunderstanding
verb -takes, -taking, -took, -taken
3.
(transitive) to misunderstand; misinterpret: she mistook his meaning
4.
(transitive) foll by for. to take (for), interpret (as), or confuse (with): she mistook his direct manner for honesty
5.
(transitive) to choose badly or incorrectly: he mistook his path
6.
(intransitive) to make a mistake in action, opinion, judgment, etc
adj.

c.1600, “under misapprehension,” past participle adjective from mistake (v.). Related: Mistakenly. Mistaken identity attested from 1865.
v.

early 14c., “to commit an offense;” late 14c., “to misunderstand, misinterpret,” from a Scandinavian source (cf. Old Norse mistaka “take in error, miscarry”), from mis- “wrongly” (see mis- (1)) + taka “take” (see take (v.)). Related: Mistook; mistaking.
n.

1630s, from mistake (v.). Meaning “unintended pregnancy” is from 1957.
In addition to the idiom beginning with
mistake