all-out

[awl-out] /ˈɔlˌaʊt/

adjective

using all one's resources; complete; total:

an all-out effort.

Origin

1905-10; adj. use of all out utterly, completely, Middle English al out

Synonyms

unstinting, exhaustive, unremitting.

Examples from the web for all-out

He's an incredible president who for the first time has declared all-out war on the guerrillas.
The immune system then kicks in, and the body and the virus wage all-out war.
Newspapers were mildly concerned about falling circulation rather than in an all-out panic about imminent collapse.
It's an all-out commitment to keeping our promises to the seniors and the sick.
Wal-Mart has responded with an all-out push meant to overwhelm and outmaneuver its far less deep-pocketed opposition.
Public universities across the country are engaged in an all-out war for out-of-state students.
Neither side wears uniforms, but it is an all-out war for valuable territory.

British Dictionary definitions for all-out

adjective

using one's maximum powers: an all-out effort

adverb

to one's maximum effort or capacity: he went all out on the home stretch

Slang definitions & phrases for all-out

adjective

Holding nothing back; sparing nothing: an all-out effort

adverb

: He ran all-out for ten minutes