stickler
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.stick·ler
noun \ˈsti-k(ə-)lər\Definition of STICKLER
1
: one who insists on exactness or completeness in the observance of something <a stickler for the rules>
See First Known Use of STICKLER
1644
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