Meaning of the word "to no effect" in English

What does "to no effect" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

to no effect

US /tə nō ɪˈfekt/
UK /tʊ nɒʊ ɪˈfekt/
"to no effect" picture

Phrase

without producing the desired or intended result

Example:
They tried to persuade him, but to no effect.
All her efforts were to no effect.