contentious

1 ENTRIES FOUND:
contentious /kənˈtɛnʃəs/ adjective
contentious
/kənˈtɛnʃəs/
adjective
Britannica Dictionary definition of CONTENTIOUS
[more contentious; most contentious]
1 
a  : likely to cause people to argue or disagree
b  : involving a lot of arguing
2 
: likely or willing to argue

— contentiously

adverb

— contentiousness

noun [noncount]