1. Synonyms for like a sitting duck include unarmed, defenceless, helpless, unprotected, weaponless, assailable, exposed, open, unarmoured and undefended

2. As our feet, shod with the good news of peace, carry us among the unbelievers, we are not left weaponless.

3. A whole company of armed troops can't nab a couple of weaponless dog-faces! What fool would believe that?