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English definition of “dim”

dim

adjective (NOT CLEVER)    /dɪm/ (dimmer, dimmest) informal
not very clever : He's a nice guy , but a little dim. Don't be dim!Stupid and sillyOf unsound mind dimly     /ˈdɪm.li/ adverb The room was dimly lit . I dimly remembered seeing the film before.Darkness and becoming dark dimness     /ˈdɪm.nəs/ noun [U] Darkness and becoming dark
(Definition of dim adjective (NOT CLEVER) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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