Device vs Instrument

When to use each in English, with meaning, register, and examples.

Device

Top 1,000 (very common)A2noun

Instrument

Top 1,000 (very common)A2noun
 DeviceInstrument
Pronunciation🇬🇧 /["/dɪˈvaɪs/"]/🇺🇸 /["/dɪˈvaɪs/"]/🇬🇧 /["/ˈɪnstrəmənt/"]/🇺🇸 /["/ˈɪnstrəmənt/"]/
MeaningA tool or machine used for a specific purpose.A tool used to make music or to do specific tasks.
ExampleI use a smartphone as my main device for communication.She plays a musical instrument in the school band.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA2A2
Part of speechnounnoun
Collocationsclever, ingenious, labour-saving/​labor-saving, be fitted with, have, connect, comprise something, consist of something, be designed to, device for, clever, ingenious, labour-saving/​labor-saving, be fitted with, have, connect, comprise something, consist of something, be designed to, device formusical, beautiful, fine, play, learn, learn to play, sound, maker, on an/​the instrument, precision, sensitive, sophisticated, set, use, check, read, measure something, check, maker, panel, an instrument of torture, precision, sensitive, sophisticated, set, use, check, read, measure something, check, maker, panel, an instrument of torture, chief, key, main, regard somebody/​something as, see somebody/​something as, view somebody/​something as, instrument for, instrument of
Antonymsdisuse, neglectvandal, destroyer
Common mistakesConfused with 'devise', which means to create or plan something., Using 'device' as a verb; it is only a noun., Assuming all devices are electronic; can refer to any tool.Confused with 'utensil' – utensils are only for cooking., Using 'instrument' only for musical devices, not recognizing broader meanings., Mixing it up with 'appliance' which refers to electrical devices.
Usage notesUsed to refer to gadgets or instruments, often in technology. More common in tech contexts. Avoid in very casual settings where simpler terms (like 'thing') might be used.Use 'instrument' in formal or educational contexts when referring to tools for music or science. It's less common in informal conversations unless talking about music.

See it in real clips

Device
Instrument

Frequently asked questions: Device vs Instrument

What's the difference between Device and Instrument?

Device: A tool or machine used for a specific purpose. Instrument: A tool used to make music or to do specific tasks.

Are Device and Instrument the same CEFR level?

Device: A2, Instrument: A2 on the CEFR scale.

What part of speech are Device and Instrument?

Device: noun, Instrument: noun.

Can you show an example of each?

Device: I use a smartphone as my main device for communication. Instrument: She plays a musical instrument in the school band.

Can I use Device and Instrument interchangeably?

Not always. Device and Instrument are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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