run out of steam

run out of steam

Fig. to lose momentum and fail. Toward the end of the lecture, he seemed to run out of steam, leaving us with no summary or conclusion.

See also: out, run, steam

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run out of steam  (British informal) also run out of gas (American & Australian informal)

to suddenly lose the energy or interest to continue doing what you are doing She'd been talking for two hours and was just starting to run out of steam. I worked really well for two months of the project then I suddenly ran out of gas.

See also: out, run, steam

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run out of steam

to lose the energy or interest to continue run out of gas She'd been talking for two hours and was just starting to run out of steam.

See also: out, run, steam