1. A person of great strength, endurance, or determination who rarely gets tired or sick
He's an iron man, working 12-hour shifts without complaining.
Ele é um homem de ferro, trabalhando turnos de 12 horas sem reclamar.
2. A competitor who participates in an Ironman triathlon
She trained for three years to become an iron man.
Ela treinou por três anos para se tornar uma competidora de Ironman.
3. A sports player with exceptional durability and consistency, rarely missing games
The quarterback is an iron man, playing every game this season.
O quarterback é um homem de ferro, jogando todos os jogos desta temporada.