What is Strong ?
Strong is (adj) 1. who has a lot of strength I’m not strong enough to carry that box. 2. which has a lot of force or strength The string broke – we need some- thing stronger. The wind was so strong that it blew some tiles off the roof. 3. having a powerful smell, taste or effect I don’t like strong cheese. You need a cup of strong black coffee to wake you up. There was a strong smell of gas in the kitchen. strength (NOTE: stronger – strongest) suffix used to show a number of people A 50-strong party of marines landed on the beach. a 20-strong group of shift workers(adv) go- ing strong still very active, still working She had a heart bypass ten years ago and is still going strong.
source: Easier English, Student Dictionary Upper Intermediate Level