What does constrict mean?
The verb "constrict" means to tighten, narrow, or compress something — whether through direct physical pressure or, figuratively, through limiting forces. In medicine and biology, the word describes real physiological events: blood vessels constrict in response to cold, airways constrict during an asthma attack, and certain snakes subdue prey by constricting around them. Figuratively, constrict is applied whenever circumstances seem to close in on someone — a rigid bureaucracy can constrict innovation, and a stifling routine can leave a person feeling constricted. The verb derives from the Latin stringere, meaning to draw tight or bind fast, a root it shares with strict, strain, and district. Because it carries an inherently negative connotation of pressure and confinement, writers reach for constrict when they want to convey oppression or physical narrowing with precision. It pairs naturally with nouns like vessels, muscles, throat, and budget.
verbTo make something narrower, tighter, or smaller by squeezing or compressing it; more broadly, to limit, restrict, or hinder the movement, growth, or operation of someone or something.
- To squeeze or compress a body, passage, or vessel so that it becomes narrower or tighter (physical sense).
- To restrict or inhibit movement, activity, growth, or freedom (figurative sense).
"The snake constricts its prey before swallowing it whole."
"Cold weather causes the blood vessels near the skin to constrict, conserving heat for vital organs."
"She felt constricted by a job that left no room for creativity."
A python kills not with venom but with constriction — tightening its coils each time its prey exhales, until breathing becomes impossible.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of constrict
Constrict comes from the Latin constringere, formed from com- (together) and stringere (to draw tight or bind), whose past participle strictus gives us the English words strict, strain, and stress. The verb entered English in the mid-16th century, initially carrying a literal sense of binding or compressing, and later developed the physiological and figurative senses common today. Its Latin root also produced cognates such as district, restrict, and strain, all of which preserve the idea of pulling tight or holding firm.
Related word forms
How constrict is actually used
Constrict is largely formal or technical in everyday use; medical writing favors it for narrowed vessels and airways. The figurative use often appears in passive constructions such as 'felt constricted.'
Easily confused with constrict
"Constrict" means to squeeze tight or make physically narrower, while "constrain" means to hold back or impose limits on someone's actions or choices.
"Contract" refers to drawing in or becoming smaller (often as an inherent process), whereas "constrict" implies an outside force squeezing or tightening something.