all systems go

Cultural Dictionary

all systems go definition


A state of readiness for immediate action: “Your proposal has been approved, so it's all systems go.” This phrase originated in the 1960s during the heyday of space flight and referred to the launching of missiles and other space vehicles.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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American Heritage
Idioms & Phrases

all systems go

Everything is ready for proceeding, as in They've rented a hall and lined up the speakers, so it's all systems go for the rally. Originating in the late 1960s with reference to launching space missiles and vehicles, this expression has been transferred to general use.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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