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underhand

American  
[uhn-der-hand] / ˈʌn dərˌhænd /

adjective

  1. executed with the hand below the level of the shoulder and the palm turned upward and forward.

    an underhand delivery of a ball.

  2. underhanded.

    an underhand deal with the chief of police.

    Synonyms:
    surreptitious, clandestine, sly, stealthy

adverb

  1. with the hand below the level of the shoulder and the palm turned upward and forward.

    to bowl underhand.

  2. secretly; stealthily; slyly.

underhand British  
/ ˈʌndəˌhænd /

adjective

  1. clandestine, deceptive, or secretive

  2. sport another word for underarm

"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

adverb

  1. in an underhand manner or style

"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 underhand

First recorded before 900; 1530–40 underhand for def. 2; Middle English adverb under honde “in one's possession, in one's charge, secretly,” Old English under hand, under hond(e) “in one's possession, in one's subjection, in one's power”; under-, hand

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.

Which is why, in the days immediately afterward, he then incorporated underhand flip drills into his pregame work as well.

From Los Angeles Times • May 29, 2025

As he was leaving the field, a frustrated López hoisted his glove high into the air with an underhand toss.

From Los Angeles Times • May 30, 2024

"It makes me feel very sad, I trust everybody and I don't expect people to steal things or be underhand," she added.

From BBC • Apr. 25, 2024

Donovan Mitchell threw a 50-foot inbounds pass underhand, Bam Adebayo inbounded a ball off Nikola Jokic’s backside before dribbling downcourt and making a 3, and Devin Booker went through pregame with a hat on backwards.

From Seattle Times • Feb. 18, 2024

“I’ve told Missis often my opinion about the child, and Missis agreed with me. She’s an underhand little thing: I never saw a girl of her age with so much cover.”

From "Jane Eyre" by Charlotte Brontë