(of a substance or object) strong enough to withstand adverse conditions or rough handling

tough rucksacks for climbers

able to endure hardship or pain

she was as tough as old boots

demonstrating a strict and uncompromising approach

police have been getting tough with drivers

tough new laws on tobacco advertising

strong and prone to violence

tough young teenagers

a rough and violent man

a gang of toughs

endure a period of hardship or difficulty