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dotty

1
[ dot-ee ]
/ ˈdɒt i /
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See synonyms for: dotty / dottiness 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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Origin of dotty

1
1805–15; perhaps dott(ard) variant of dotard + -y1
dot·ti·ly, adverbdot·ti·ness, noun

Definition for dotty (2 of 2)

dotty2
[ 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
dot·ti·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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
dottily, adverbdottiness, noun
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
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