Definition of lunatic fringe
: the members of a usually political or social movement espousing extreme, eccentric, or fanatical views
Examples of lunatic fringe in a sentence
His nomination is opposed by the party's lunatic fringe.
First Known Use of lunatic fringe
LUNATIC FRINGE Defined for English Language Learners
Definition of lunatic fringe for English Language Learners
: the members of a political or social group or movement who have the most extreme or foolish ideas
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