Verb
To grow or make tough, or tougher.
Source: Webster's dictionaryThis experience will toughen her Source: Internet
Bear markets do cause insurers to shift away from investments and to toughen up their underwriting standards, so a poor economy generally means high insurance premiums. Source: Internet
In response to the rise, French Prime Minister Jean Castex promised steps to speed up tests and toughen local measures in high-infection zones. Source: Internet
I kayaked in the worst possible weather an Irish winter could throw at me in order to toughen up for the real thing. Source: Internet
I'm sure the Fark olds will be along shortly to tell us how they had it worse when they were young and how today's delicate snowflakes need to toughen up. Source: Internet
In his words, "We did long, grueling marches to toughen the men, plus refresher training in firearms and bayonet combat." Source: Internet