English Thesaurus

Synonyms of 'in force'

(phrase) 
Definition
(of a law) having legal validity
The new tax is already in force.
Synonyms
valid
For foreign holidays you will need a valid passport.
,
working
the oldest working steam engine in the world
, ,
effective
The new rules will become effective in the next few days.
, ,
operative
The scheme was soon operative.
,
operational
The new space station will be fully operational by next year.
,
in operation
The night-time curfew remains in operation.
,
on the statute book
(phrase) 
Definition
in great strength or numbers
Voters turned out in force.
Synonyms
in great numbers
,
all together
,
in full strength
See force

Additional synonyms

in the sense of effective
Definition
officially coming into operation
The new rules will become effective in the next few days.
Synonyms
in the sense of in operation
The night-time curfew remains in operation.
Synonyms
in action,
functioning,
in effect,
in business,
in the sense of operational
Definition
in working order and ready for use
The new space station will be fully operational by next year.
Synonyms

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Source

Thesaurus for in force from the Collins English Thesaurus
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