hyper

hy·per

adjective \ˈhī-pər\

Definition of HYPER

1

: high-strung, excitable; also : highly excited

2

: extremely active

Examples of HYPER

1. I get a little hyper when I drink too much coffee.
2. <she's so hyper that she's the last person you'd want to turn to in an emergency>

Origin of HYPER

short for hyperactive

First Known Use: circa 1942

Related to HYPER

Synonyms

fiddle-footed, flighty, fluttery, high-strung, excitable, hyperactive, hyperexcitable, hyperkinetic, jittery, jumpy, nervous, skittery, skittish, spasmodic, spooky

Antonyms

imperturbable, nerveless, unexcitable, unflappable, unshakable

Related Words

hot-blooded, mercurial, temperamental, unstable, volatile, volcanic; anxious, edgy, flibbertigibbety, nervy, tense, uptight; emotional, emotionalistic, hypersensitive, intense, sensitive, soulful; dramatic, histrionic, melodramatic; irascible, irritable, perturbable, prickly, testy, touchy

Near Antonyms

calm, collected, cool, serene, tranquil; easy, easygoing, laid-back, relaxed

Other Psychology Terms

fetish, hypochondria, intelligence, mania, narcissism, neurosis, pathological, psychosis, schadenfreude, subliminal

Rhymes with HYPER

diaper, griper, piper, sniper, striper, viper, wiper