Find Antonyms

hyperactive Antonyms

Opposite of hyperactive

Because the opposite of hyperactive shifts with each meaning, the 12 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Abnormally or extremely active, restless, or energetic, often to a degree that makes it difficult to concentrate or remain still.

Usage Example

"The lethargic puppy raced around the living room for hours before finally falling asleep."

Strongest
lethargic
sluggish
inactive
Strong
calm
placid
sedentary
tranquil
listless

• adjective (Context 2)

Functioning or operating at an excessively high rate or level of intensity (especially of a bodily organ, gland, or physiological system).

Usage Example

"The endocrinologist ordered a blood test to determine whether the patient's symptoms were caused by a underactive thyroid gland."

Strongest
underactive
hypoactive
Strong
dormant
inert

Similar words to hyperactive

Words similar to hyperactive shift depending on context. Common synonyms include:

overactive
restless
fidgety
excitable
frenetic
frantic
high-strung
jumpy
See all synonyms of hyperactive

Cite this Entry


Wordmom. (2026). Antonyms for Hyperactive. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/hyperactive
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