Dictionary and Thesaurus

Definition of Instrument

• (n.) That by means of which any work is performed, or result is effected; a tool; a utensil; an implement; as, the instruments of a mechanic; astronomical instruments.
• (n.) A contrivance or implement, by which musical sounds are produced; as, a musical instrument.
• (n.) A writing, as the means of giving formal expression to some act; a writing expressive of some act, contract, process, as a deed, contract, writ, etc.
• (n.) One who, or that which, is made a means, or is caused to serve a purpose; a medium, means, or agent.
• (v. t.) To perform upon an instrument; to prepare for an instrument; as, a sonata instrumented for orchestra.

Synonyms of Instrument

• Implement
• Utensil
• Tool
• Document
• Deed
• Record
• Medium
• Muniment
• Means
• Channel
• Machine
• Agent.

Antonyms of Instrument

• Misapplication
• Counteraction
• Counteragent
• Neutralizer
• Opponent
• Bar
• Obstruction
• Preventive
• Stop.

Homophones of Instrument