definitions

dotty

1
[ dot-ee ]
/ ˈdɒt i /
|
SEE MORE SYNONYMS FOR dotty ON THESAURUS.COM

adjective, dot·ti·er, dot·ti·est. Informal.

crazy or eccentric.
feeble or unsteady in gait.
very enthusiastic or infatuated (usually followed by about or over).

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RELATED WORDS

absurd, daft, demented, disturbed, eccentric, foolish, goofy, loony, nuts, nutty, odd, peculiar, queer, ridiculous, strange, twisted, unconventional, weird

Nearby words

dotted line, dotted swiss, dotterel, dottie, dottle, dotty, doty, dou, dou, gerard, douai, douala

Origin of dotty

1
1805–15; perhaps dott(ard) variant of dotard + -y1

Related forms

dot·ti·ly, adverbdot·ti·ness, noun

Definition for dotty (2 of 3)

dotty

2
[ dot-ee ]
/ ˈdɒt i /

adjective, dot·ti·er, dot·ti·est.

marked with dots; dotted.

Origin of dotty

2
First recorded in 1805–15; dot1 + -y1

Related forms

dot·ti·ness, noun

Definition for dotty (3 of 3)

Dottie

or Dot·ty

[ dot-ee ]
/ ˈdɒt i /

noun

a female given name, form of Dorothea and Dorothy.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for dotty

British Dictionary definitions for dotty

dotty

/ (ˈdɒtɪ) /

adjective -tier or -tiest

slang, mainly British feeble-minded; slightly crazy
British slang (foll by about) extremely fond (of)
marked with dots

Derived Forms

dottily, adverbdottiness, noun

Word Origin for dotty

C19: from dot 1 : sense development of 1 from meaning of "unsteady on one's feet"
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012