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hatter
2 ENTRIES FOUND:
hatter
(noun)
mad
(adjective)
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hatter
/
ˈ
hætɚ/
noun
plural
hatters
hatter
/
ˈ
hætɚ/
noun
plural
hatters
Learner's definition of HATTER
[
count
]
:
a person who makes, sells, or repairs hats
mad as a hatter
informal + old-fashioned
:
severely mentally ill
:
crazy
He's a nice fellow, but
mad as a hatter
.
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