1. A fashion, style, or popular practice that is no longer current or considered fashionable
Wearing bell-bottoms is considered an outdated trend by today's fashion standards.
Usar calças boca-de-sino é considerado uma tendência ultrapassada pelos padrões de moda atuais.
2. A former fad or craze that has lost its popularity and relevance
That hairstyle is an outdated trend from the 1980s.
Esse penteado é uma tendência ultrapassada dos anos 1980.