watchless

adjective
watch·​less | \ ˈwächlə̇s also ˈwȯch-\

Definition of watchless

1 : not watching : lacking in vigilance a watchless soldier
2 : having no watch or watchman : unguarded a watchless fortress
3 : not divided into watches : not marked by wakefulness a watchless night

Other Words from watchless

watchlessness noun, plural -es