defenseless
adjective
1. lacking protection or support
- a defenseless child
Similar word(s): vulnerable, defenceless
2. having no protecting or concealing cover
Similar word(s): unprotected, naked
3. lacking weapons for self-defense
Similar word(s): unarmed, defenceless
adverb
1. without defense
- the child was standing in the middle of the crossfire, defenselessly
Similar word(s): defenceless, defencelessly, defenselessly