This is the 1840th most frequent Swedish word.
hårdare
"Hårdare" means "harder" or "more tough" in English.
The word 'hårdare' refers to the quality of being stricter or more challenging in the way defense is played.
Laget spelar hårdare försvar för att vinna matchen.
The team plays tougher defense to win the match.
In this sentence, 'hårdare' is used as a comparative adjective to indicate a greater extent of intensity in the action of training.
Han tränar hårdare än förra året.
He trains harder than last year.
Here, 'hårdare' describes a change in physical properties, specifically an increase in hardness of a material.