Meaning of the word "keep a civil tongue in your head" in English

What does "keep a civil tongue in your head" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

keep a civil tongue in your head

US /kiːp ə ˈsɪv.əl tʌŋ ɪn jʊər hɛd/
UK /kiːp ə ˈsɪv.əl tʌŋ ɪn jʊər hɛd/
"keep a civil tongue in your head" picture

Idiom

1.

to speak politely and avoid rude or offensive language

Example:
You need to keep a civil tongue in your head when talking to your elders.
Even when angry, try to keep a civil tongue in your head.
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