competing

aggressive ambitious cutthroat vying

antagonistic at odds combative dog-eat-dog emulous killer killer instinct opposing rival streetwise

noncompetitive unambitious

battling combatant combating conflicting contending contesting cutthroat disputing emulating equal opposed striving vying

competitive emulous

assisting associate supporting

contest darting dashing flying galloping hurrying running rushing sailing sport sporting sprinting tearing track trotting whizzing