lâche

C'est lache de ne pas avouer ses torts.

It is cowardly not to admit your mistakes.

Ton lacet est trop lâche, tu vas tomber.

Your shoelace is too loose, you'll fall over.

Il a été lache de fuir devant le probleme.

It was cowardly of him to run from the problem.

Ne sois pas lâche, dis-lui la vérité en face.

Don't be a coward, tell him the truth to his face.

Ta cravate est trop lâche ce matin, serre-la un peu.

Your tie is too loose this morning, tighten it a bit.