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 Operative, binding, as in This rule is no longer in force .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]

Example Sentences

Hosepipe bans are in force across large parts of England - partly because the dry hot summer has followed the UK's driest spring in more than 50 years.

From BBC

They were out in force again on Thursday.

From BBC

As ever, the red army has travelled in force.

From BBC

“This reduction in force will ensure we can better fulfill that mission while being responsible stewards of your hard-earned tax dollars.”

From Los Angeles Times

A yellow warning is already in force for parts of eastern England.

From BBC

Related Words

• accurate 
• authentic 
• binding 
• compelling 
• conclusive 
• credible 
• good 
• lawful 
• legal 
• legitimate 
• logical 
• original 
• persuasive 
• solid 
• true 
• well-founded