collaborationist C2+

/kəˌlæbəˈreɪʃənɪst/ a person who cooperates with an occupying enemy force M S

laborious C2+

/ləˈbɔriəs/ requiring much time and hard effort M S

collaborationism C2+

/kəˌlæbəˈreɪʃəˌnɪzəm/ cooperation with an enemy occupying one's country M S

collaboratively C2+

/kəˈlæbərətɪvli/ in a way that involves working jointly with others M S

elaborateness C2+

/ɪˈlæbɚətnəs/ the quality of being intricately detailed or complex M S