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 Operative, binding, as in This rule is no longer in force .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

A Met Office yellow warning for strong winds is in force across the southern half of the UK on Monday as an area of low pressure passes close by.

From BBC

In October 2018, that coalition turned out in force to vote him into power.

From BBC

Both these seasons have also been very dry for many, especially for some regions of England and Wales, where hosepipe bans remain in force and drought has been officially declared.

From BBC

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

Related Words

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