in force


1

In full strength, in large numbers, as in Demonstrators were out in force. This usage originally alluded to a large military force. [Early 1300s]

2

Operative, binding, as in This rule is no longer in force. This usage originally alluded to the binding power of a law. [Late 1400s]

QUIZZES

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Question 1 of 10
Which definition best describes “spang”?
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.