Meaning of the word "half the truth is often a whole lie" in English

What does "half the truth is often a whole lie" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

half the truth is often a whole lie

US /hæf ðə truːθ ɪz ˈɔːfən ə hoʊl laɪ/
UK /hɑːf ðə truːθ ɪz ˈɒfən ə həʊl laɪ/
"half the truth is often a whole lie" picture

Idiom

a statement that omits key details can be as deceptive as a complete falsehood

Example:
He didn't mention he was there, and half the truth is often a whole lie.
By leaving out the risks, the salesman proved that half the truth is often a whole lie.