HYPER Synonyms: 56 Similar and Opposite Words

hyper

adjective

ˈhī-pər

Definition of hyper

as in excitable

easily excited by nature she's so hyper that she's the last person you'd want to turn to in an emergency

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Recent Examples of Synonyms for hyper

Adjective

Shaffelburg’s boundless enthusiasm and high work rate led one LAFC staffer to liken him to an excitable golden retriever, a comparison the player did not challenge.

— Los Angeles Times, Los Angeles Times, 18 Aug. 2026
That’s where Barkley came in, an excitable, friendly yellow lab who is obsessed with balls and could sniff out a green tennis ball in an entire stadium of purple ones.

— Becca Savransky, Idaho Statesman, 11 Aug. 2026

Definition of excitable

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

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hyped-up

hyper

hyperacid

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“Hyper.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hyper. Accessed 20 Aug. 2026.

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Synonyms of hyper

adjective

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