cowardly

We shall unmask that cowardly cheat.

a cowardly attack on a helpless victim.

There’s something cowardly and ignoble about such an attitude.

To declare war against the small island state looks like the action of a cowardly nation.

All bumbling conjurers, clumsy squires, no-talent bards, and cowardly thieves in the land will be pre-emotively put to death.