altercative
/ˌɔltərˈkeɪtɪv/ or /ˌɔlˈtɜrkeɪtɪv/Definitions
1. adjective
given to or characterized by argumentative debate or dispute
“The altercative nature of the politicians made it difficult to reach a consensus.”
2. noun
a person who is given to or characterized by argumentative debate or dispute
“The altercative in the meeting dominated the discussion.”