Adjective
tribalistic (comparative more tribalistic, superlative most tribalistic)
Pertaining to tribalism.
Religious belief itself is an adaptation that has evolved because we're hard-wired to form tribalistic religions. E. O. Wilson
Those with a tribalistic mind-set believe that refusing to support a Republican president is traitorous. Source: Internet
If there is one thing that has made HH loose elections its the inner tribalistic hatred a lot of you bear. it frightens people. Source: Internet