What does command mean?
Command is both a verb and a noun built around the idea of authority. As a verb, it means to give someone an order they are expected to obey — a general commands troops, a coach commands attention — or to exercise control and mastery, as when someone commands several languages or commands a room's respect. As a noun, it denotes either the authoritative order itself or the power and control behind it, famously expressed in phrases like 'chain of command'. It also appears in the phrase 'a good command of English', where it signals fluency and confident handling of a subject rather than domination of people. Because it implies hierarchy and the right to be obeyed, the word feels formal and forceful; it belongs naturally to military, institutional, and professional registers, while everyday requests tend to use gentler words. Its history traces back to the Latin 'commendare', meaning to entrust, which also gave us 'commend' — a word that means nearly the opposite.
An authoritative order or instruction, or the power and authority to control and direct people or things.
"The soldiers acted without hesitation at their commander's command."
In the sense of language skill, 'command' takes 'of' — 'a good command of Spanish' — not 'over'.
To give an authoritative order to someone, or to have control or mastery over something.
"She commanded the team to abandon the search as darkness fell."
The plural refers to multiple individual orders or instructions, or to a set of directives such as computer commands.
"The software responds instantly to voice commands."
Command and commend come from the same Latin root meaning 'to entrust' — one letter separates giving orders from giving praise.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of command
Command entered Middle English from Old French 'comander', ultimately deriving from the Latin 'commendare', meaning 'to entrust' or 'to commit to one's care'. The same Latin root produced 'commend' and 'recommend', making these close relatives despite their very different modern meanings. The word settled into English by the late medieval period and developed its strong association with military and institutional authority over subsequent centuries.
Related word forms
How command is actually used
'Command' carries a strong tone of authority and hierarchy — it implies the right to be obeyed, so it suits formal, military, or institutional contexts more than casual conversation. In everyday speech, softer verbs like 'ask' or 'request' often replace it. The noun sense referring to language proficiency ('a good command of French') is common in academic and professional writing.
Easily confused with command
Commend means to praise someone or something, while command means to give orders or exercise control — the two differ by a single letter and a completely opposite connotation.