What does comply mean?
"Comply" is a verb meaning to act in accordance with a rule, law, standard, or request — to do what has been asked or mandated rather than to resist it. The verb is used intransitively and nearly always takes the preposition "with": companies comply with regulations, citizens comply with the law, and individuals comply with requests or instructions. Its register is distinctly formal; it dominates legal documents, corporate policy, healthcare guidance, and official notices far more often than casual speech. The word derives from the Italian "complire," itself from Latin "complēre," meaning to fill up or fulfill, which also gave English words like "compliance" and "compliant." Related derivatives include "compliance" (the act of complying) and "noncompliance" (its failure), both staples of regulatory language. Because modern life runs on rules — tax codes, data-protection statutes, safety protocols — "comply" is an essential word for describing lawful, cooperative behavior precisely and without emotional coloring.
verbTo act in accordance with a rule, request, law, or set of standards; to obey or conform to something.
- To act in accordance with rules, laws, or regulations (e.g., comply with regulations).
- To agree or consent to a request or demand (e.g., comply with a request).
"All employees must comply with the new safety regulations before the end of the month."
"The company was fined for failing to comply with environmental regulations."
"When asked to lower his voice in the library, he complied immediately."
The word "comply" comes from Latin roots meaning "to fold together" — so when you comply, you're essentially folding yourself into agreement with the rules around you.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of comply
"Comply" entered English in the early 17th century, borrowed from the Italian "complire," which derived from the Spanish "cumplir" — both ultimately rooted in the Latin verb "complēre," meaning to fill up, complete, or fulfill. The original sense carried the idea of completing or fulfilling what another expects, which evolved naturally into the modern meaning of acting in accordance with a wish or requirement. The same Latin root produced English "compliance" and "compliant," as well as the adjective "pliant" (via Old French "pliant," meaning bending), reflecting the shared idea of yielding or giving way.
Related word forms
How comply is actually used
"Comply" is a formal, neutral word common in legal, business, and institutional contexts. It almost always appears with the preposition "with" (e.g., "comply with regulations"). It carries no strong positive or negative connotation — it simply describes obedience to an external standard, though repeated emphasis on compliance can suggest bureaucratic rigidity. It is typically used intransitively and rarely appears in casual everyday conversation.
Easily confused with comply
"Comply" means to obey rules or requests, while "comprise" is a verb meaning to consist of or be made up of parts.