root (someone or something) on
verb
rooted on; rooting on; roots (someone or something) on
US
: to help (someone or something) to win or succeed by expressing or showing strong support
Thousands of fans were there to root the team on.
Cite this Entry
“Root (someone or something) on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/root%20%28someone%20or%20something%29%20on. Accessed 10 Mar. 2026.
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Merriam-Webster unabridged
