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tweaker

British  
/ ˈtwiːkə /

noun

  1. slang an engineer's small screwdriver, used for fine adjustments

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Left-arm spinners Matt Kuhnemann and Cooper Connolly were additions to a largely settled 15-man squad, alongside chief tweaker Adam Zampa and part-timer Glenn Maxwell.

From Barron's • Jan. 1, 2026

Quincy made small but crucial changes, the master tweaker.

From The Guardian • Apr. 30, 2019

By bringing “style” into it, Brooks nods to Flaubert’s reputation as a compulsive tweaker, someone who could spend all day reworking a paragraph.

From Washington Post • May 3, 2017

That’s partly because of the seemingly ubiquitous influence of the Atlanta rapper Gucci Mane, the most effective tweaker of hip-hop orthodoxies in the 2000s.

From New York Times • Jul. 27, 2016

Then he pulled out the tweaker from his robes.

From "Scythe" by Neal Shusterman