unarmored vs unarmoured

unarmored and unarmoured both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unarmored	No	Yes	No	No
unarmoured	No	Yes	No	No

As adjectives, unarmored and unarmoured are synonyms defined as:

unarmored and unarmoured: (used of persons or things military) without protective armor

As adjectives, unarmored and unarmoured are synonyms defined as:

unarmored (adjective)	unarmoured (adjective)
(used of persons or things military) without protective armor	(used of persons or things military) without protective armor
used of animals; without protective covering	used of animals; without protective covering