full speed

American  

noun

1. the maximum speed.

2. Nautical. the speed normally maintained on a passage.

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adverb

1. at maximum speed.

   to move full speed ahead.

Etymology

Origin of full speed

First recorded in 1350–1400

Example Sentences

But it will likely take until October for Iraq, Kuwait and other gulf countries that had to slash production to pump oil at full speed, analysts said.

From The Wall Street Journal • Jun. 25, 2026

That does not necessarily mean sprinting at full speed or using the highest resistance setting on an exercise bike.

From Science Daily • May 16, 2026

RO: Do you want to see it at full speed?

From BBC • May 12, 2026

"We want feasibility studies and a pause, so we know the actual local impacts -- not just rushing ahead at full speed," said Dziobek.

From Barron's • Apr. 10, 2026

Shaking our heads, Delia and I pushed off and rode our bikes at full speed trying to catch up with Juanita and Velia.

From "Summer of the Mariposas" by Guadalupe García McCall