contentionaladj.

/kənˈtɛnʃənəl/Etymology: < contention n. + -al suffix1.
1889 27 June 4/3 The contentional meeting of last night.
1846 W. S. Landor Imaginary Conversat. in I. 103/1 The Iliad itself has nothing in the contentional so interesting.
This entry has not yet been fully updated (first published 1893; most recently modified version published online March 2018).