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  • Waldo
    Waldo
    noun
    Pierre or Peter, died c1217, French merchant and religious reformer, declared a heretic: founder of the Waldenses.
  • waldo
    waldo
    noun
    a gadget for manipulating objects by remote control
Synonyms

Waldo

American  
[wawl-doh, wol-] / ˈwɔl doʊ, ˈwɒl- /

noun

  1. Pierre or Peter, died c1217, French merchant and religious reformer, declared a heretic: founder of the Waldenses.


waldo British  
/ ˈwɔːldəʊ /

noun

  1. a gadget for manipulating objects by remote control

"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

Etymology

Origin of waldo

C20: named after Waldo F. Jones, inventor in a science-fiction story by Robert Heinlein

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.

Susan B. Anthony, Ralph Waldo Emerson and Walt Whitman were among those who professed their belief in the revelatory power of skulls.

From The Wall Street Journal • Apr. 29, 2026

Ralph Waldo Emerson declared that Brown would “make the gallows as glorious as the cross.”

From Slate • Apr. 2, 2026

Ralph Waldo Emerson’s standards of literary criticism, like his philosophy, are focused on realism, felt experience and humanity.

From The Wall Street Journal • Mar. 24, 2026

Police officers were directed to the back of a residence in the 5300 block of Waldo Place, the street where Lauren lives and where one of the suspects was seen running.

From Los Angeles Times • Dec. 3, 2025

He suggested I look into Ralph Waldo Emerson, a supposedly famous old poet.

From "Miss Peregrine's Home for Peculiar Children" by Ransom Riggs

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