Meaning of the word "a losing battle" in English

What does "a losing battle" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

a losing battle

US /ə ˈluːzɪŋ ˈbætəl/
UK /ə ˈluːzɪŋ ˈbætəl/
"a losing battle" picture

Idiom

1.

a struggle or effort that is certain to fail

Example:
Trying to convince him is a losing battle; he never changes his mind.
Fighting against the new policy felt like a losing battle.
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