pro·​tec·​tor | \ prə-ˈtek-tər How to pronounce protector (audio) \

Definition of protector

1a : one that protects : guardian
b : a device used to prevent injury : guard
2a : one having the care of a kingdom during the king's minority : regent
b : the executive head of the Commonwealth of England, Scotland, and Ireland from 1653 to 1659

called also Lord Protector of the Commonwealth

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Other Words from protector

protectorship \ prə-​ˈtek-​tər-​ˌship How to pronounce protectorship (audio) \ noun

Examples of protector in a Sentence

She sees her older brother as her protector. a protector of free speech

Recent Examples on the Web

Is Lumee Bibi’s protector, or something more sinister? Heidi Waleson, WSJ, "Portraits of Pain at the Prototype Festival," 9 Jan. 2019 This whole process from starting at the bottom of the stairs to putting the protector on, took almost an hour. Maddie Hiatt, House Beautiful, "This Flippable Mattress Changed My Life," 1 May 2019 Gift options include bamboo sheets, a dual-sided blanket, the original Purple Pillow, or a mattress protector. Blake Bakkila, Good Housekeeping, "The Most Insane Presidents' Day Mattress Sales for Casper, Serta and More," 16 Feb. 2019 Today, the company is based in Ann Arbor, Mich., and prides itself as protector of powerful executives, star athletes, royal families and other high-profile individuals. Sarah E. Needleman, WSJ, "Pinkerton Detectives Still Exist, and They’re Tired of Being the Bad Guys," 21 Jan. 2019 The company recently started selling bedding products like sheets, duvets, and a mattress protector, plus a line of minimalist furniture. Liz Stinson, Curbed, "Casper is now selling bedding and furniture," 23 Aug. 2018 While the wisdom of that decision can be debated, this cannot: As a protector of the public trust, DNR must use the latest, best science to set Wisconsin wolf population goals and craft the next wolf plan. Paul A. Smith, Milwaukee Journal Sentinel, "Smith: With at least 900 wolves in the state, it's time to gauge public attitudes again," 6 June 2018 These and similar comments reinforce the idea that the NCAA holds itself as a protector of college athletes and should be judged accordingly. Michael Mccann,, "Analyzing Ploetz v. NCAA, the First Legal Battle Over CTE to Reach Trial," 26 Apr. 2018 But Republicans on the panel respected her and regarded her as a fierce protector of her party's agenda. Deirdre Walsh, CNN, "Rep. Louise Slaughter, New York Democratic 'trailblazer,' dead at 88," 16 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'protector.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of protector

14th century, in the meaning defined at sense 1a

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Statistics for protector

Last Updated

22 May 2019

Look-up Popularity

Time Traveler for protector

The first known use of protector was in the 14th century

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More Definitions for protector



English Language Learners Definition of protector

: a person or thing that protects someone or something


pro·​tec·​tor | \ prə-ˈtek-tər How to pronounce protector (audio) \

Kids Definition of protector

: a person or thing that shields from harm or is intended to shield from harm

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Comments on protector

What made you want to look up protector? Please tell us where you read or heard it (including the quote, if possible).


a strong desire or propensity

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