stickle

stick·le  (stkl)

intr.v. stick·led, stick·ling, stick·les

1. To argue or contend stubbornly, especially about trivial or petty points.

2. To have or raise objections; scruple.

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[Variant of Middle English stightlen, to contend, frequentative of stighten, to arrange, from Old English stihtian, stihtan; see steigh- in Indo-European roots.]

Thesaurus

Verb

1.

stickle - dispute or argue stubbornly (especially minor points) argue, contend, debate, fence - have an argument about something