Dictionary.com
Thesaurus.com

inhibitory

American  
[in-hib-i-tawr-ee] / ɪnˈhɪb ɪˌtɔr i /
Sometimes inhibitive

adjective

  1. acting to restrain, hinder, arrest, check, or prohibit an action, impulse, etc..

    These substances are strongly inhibitory for the growth of mycoplasmas and some protozoa.

    Children with weak inhibitory and attentional resources may have great difficulty resisting the influence of marketing.


Other Word Forms

Etymology

Origin of inhibitory

First recorded in 1490–1500; inhibit ( def. ) + -ory 1 ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The researchers found that attention in mice is also regulated by a network of inhibitory neurons located in the brainstem.

From Science Daily Jun. 24, 2026

Many current cancer immunotherapies, including PD1 and PDL1 inhibitors, work by removing inhibitory signals created by tumors.

From Science Daily Jun. 9, 2026

By normalizing Grik4 gene activity in this region, they restored communication with inhibitory neurons in the centrolateral amygdala called regular firing neurons.

From Science Daily Jun. 3, 2026

Normal human consciousness is tied to inhibitory neurotransmitters in the central nervous system called gamma-aminobutyric acid, or GABA.

From Los Angeles Times Sep. 9, 2025

It is sometimes useful in hysteria, which is essentially a lack of inhibitory power, as its nasty properties induce sufficient inhibitory power to render its readministration superfluous.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" by Various

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training