What does fullest mean?
Fullest means superlative form of full: most full..
/ˈfʊləst/ · adjective
superlative form of full: most full..
"Our railways were developed to their fullest extent at a time when the horse and cart was the only means of feeding to and distributing from them.
Choose a synonym only when it preserves the intended meaning, tone, and grammar of the full sentence.
Fullest means superlative form of full: most full..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
"Our railways were developed to their fullest extent at a time when the horse and cart was the only means of feeding to and distributing from them.
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