Meaning of the word "run out of steam" in English

What does "run out of steam" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

run out of steam

US /rʌn aʊt əv stiːm/
UK /rʌn aʊt əv stiːm/
"run out of steam" picture

Idiom

1.

to lose energy or enthusiasm and stop doing something, or to become tired and less effective

Example:
The project started strong, but it seems to be running out of steam now.
After working for ten hours, I started to run out of steam.
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