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English definition of “dotty”

dotty

adjective uk   /ˈdɒt.i/ us    /ˈdɑː.t̬i/
UK informal slightly strange or mentally ill: a dotty old woman be dotty about sb/sth UK old-fashioned to like or love someone or something very much or be very interested in him, her, or it: Jean's absolutely dotty about cats.
dottiness
noun [U] uk   /-nəs/ us  
(Definition of dotty from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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