The meaning of HYPER is high-strung, excitable; also : highly excited. How to use hyper in a sentence.

having a lot or too much of the stated quality: hypercritical hyperintelligent (Definition of hyper from the Cambridge Academic Content Dictionary © Cambridge University Press)

HYPER- definition: a prefix appearing in loanwords from Greek, where it meant “over,” usually implying excess or exaggeration (hyperbole ); on this model used, especially as opposed to hypo-, in the …

Someone who's hyper is overly excited or energetic. If coffee and tea make you feel a little hyper, you might try switching to decaf!

1. very excitable or nervous; overexcited; keyed up. 2. hyperactive. 3. obsessively concerned; fanatical; rabid.

Britannica Dictionary definition of HYPER [more hyper; most hyper] informal : very excited, nervous, or active a hyper [= hyperactive] kid

Definition of hyper adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

hy•per1 /ˈhaɪpɚ/ adj. [Informal.] overexcited; keyed up: acting hyper after staying inside for five days. overly concerned about something: hyper about proper pronunciation. hyper-, prefix. hyper- is …

Hyper- is used to form adjectives that describe someone as having a lot or too much of a particular quality. I hated my father. He was hyper-critical and mean. He is one of those lean, hyper-fit people. …

From Longman Dictionary of Contemporary English hy‧per /ˈhaɪpə $ -ər/ adjective informal extremely excited or nervous about something No, don’t give Luke any candy – it’ll make him hyper.