Defenceless means having no way to protect yourself. A defenceless animal, left defenceless, defenceless against it.
It is used to make a moral point, since calling a victim defenceless says the attack was contemptible as well as wrong. Americans spell it defenseless, matching their spelling of defense.
1adjectivedefencelessHaving no way to protect yourself.
“The fox got into the henhouse and attacked the defenceless chickens.”
defenceless is a state.
Also accepted in games: defenseless
Latin
dēfēnsa — protection
Old French
defens
Middle English
defens
English
defence
English, today
defenceless
From defence + -less. defence comes from Middle English defens, defense, from Old French defens, defense, from Latin dēfēnsa (“protection”). bewering.
Etymology from Wiktionary, CC BY-SA