desleal

adjective/dɨʒˈljaw/medium

des·le·al

Definition

Not loyal or faithful; lacking in honesty or fairness.

The company was fined for unfair competition.

It was a disloyal act that broke their friendship.

syn

ant

Common collocations

unfair competitionunfair practiceunfair advantage

Do prefixo 'des-' (negação) + 'leal'.