coded language

noun
UK /ˈkəʊdɪd ˈlæŋɡwɪdʒ/
US /ˈkoʊdɪd ˈlæŋɡwɪdʒ/

Coded language is a special way of talking that only certain people can understand.

The spies used coded language so nobody else would know their plan.


OTHER MEANINGS

2. Words used to hint at something without saying it directly.

Her coded language at the meeting hinted that changes were coming.

3. Special words used by a particular group or profession.

Doctors sometimes use coded language that patients don't understand.

4. A system of symbols or signs used to send messages.

The sailors sent coded language with flags across the sea.