commo: meaning, definition, pronunciation and examples

Low/Very Low (Specialist slang)
UK/ˈkɒm.əʊ/US/ˈkɑː.moʊ/

Informal, slang, jargon (primarily military, historical, political)

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Quick answer

What does “commo” mean?

A slang or informal abbreviation for 'communication', 'communist', or, in military contexts, 'communications officer' or 'communications equipment'.

Audio

Pronunciation

Definition

Meaning and Definition

A slang or informal abbreviation for 'communication', 'communist', or, in military contexts, 'communications officer' or 'communications equipment'.

In military and informal contexts, refers to systems, personnel, or methods related to communication. In historical/political slang, refers to a communist.

Dialectal Variation

British vs American Usage

Differences

Slightly more prevalent in UK/Australian military slang (commo = signaller). In US, may be associated more with Vietnam-era military slang. The 'communist' meaning is broadly understood in both but dated.

Connotations

Informal, often gritty or practical. Can imply a degree of familiarity or insider knowledge.

Frequency

Extremely low frequency in both. UK usage might lean slightly more towards the military 'signaller' meaning.

Grammar

How to Use “commo” in a Sentence

establish [commo] with [someone]maintain [commo]handle [commo]be on [commo]

Vocabulary

Collocations

strong
radio commomilitary commobreak commosecure commo
medium
commo gearcommo checkcommo shedthe commo
weak
good commobad commolost commo

Examples

Examples of “commo” in a Sentence

verb

British English

  • We need to commo with HQ at 0800.

American English

  • He'll commo the coordinates once he's in position.

adverb

British English

  • They were talking commo, all static and codes.

American English

  • He reported in, commo-style, quick and clear.

adjective

British English

  • The commo truck was parked under camouflage.

American English

  • Check the commo line before we move out.

Usage

Meaning in Context

Business

Virtually never used.

Academic

Only in historical or military studies as a cited slang term.

Everyday

Extremely rare; would cause confusion.

Technical

Used within specific military or emergency service jargon.

Vocabulary

Synonyms of “commo”

Strong

commssignals (military)commie (for communist)

Vocabulary

Antonyms of “commo”

silenceblackoutisolationcapitalist (for political sense)

Watch out

Common Mistakes When Using “commo”

  • Using it in formal writing
  • Assuming listeners will understand without context
  • Spelling it as 'comms' when intending the specific slang 'commo'.

FAQ

Frequently Asked Questions

Yes, but it is specialist slang, not a standard English word. You will not find it in most general dictionaries.

Absolutely not. It is informal, low-frequency slang and would be inappropriate and confusing in business or general correspondence.

They are very similar military/tech slang for 'communications'. 'Comms' is far more common in modern usage (e.g., 'comms check'). 'Commo' feels more dated or specific to certain units/eras.

Context is everything. In a military or technical context, it means communication. In a political or historical context, especially from the mid-20th century, it likely means communist.

A slang or informal abbreviation for 'communication', 'communist', or, in military contexts, 'communications officer' or 'communications equipment'.

Commo is usually informal, slang, jargon (primarily military, historical, political) in register.

Commo: in British English it is pronounced /ˈkɒm.əʊ/, and in American English it is pronounced /ˈkɑː.moʊ/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • Go commo dark
  • Keep commo open

Learning

Memory Aids

Mnemonic

Imagine a COMMOn soldier (COMMO) trying to use the radio.

Conceptual Metaphor

COMMUNICATION IS A LIFELINE (military context).

Practice

Quiz

Fill in the gap
The reconnaissance team had to with the command centre every six hours.
Multiple Choice

In a historical novel about the Cold War, the word 'commo' most likely refers to:

Practise

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Five interactive tools to remember words, train your ear, and build vocabulary in real context — drawn from this dictionary.

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