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	All Fools’ Day

	all fours

	all hands meeting

	all-important

	all in

	all-in-one

	all-in wrestling

	all-inclusive

	all-night

	all-nighter

	all-or-none

	all-or-none underwriting

	all-or-nothing

	All-Ordinaries Index

	All-Ords

	all’ottava

	all out

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all clear

all clear

noun

Definition:

1. signal that danger is over: a signal that a period of danger is over, especially one sounded on a siren after an air raid

2. signal to proceed: a signal or notification that something may proceed

We've got the all clear to start building.

Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.

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