Synonyms for Dog eat dog:

• adj.

  •competitive (adjective)
  • antagonistic,
  • streetwise,
  • ambitious,
  • opposing,
  • rival,
  • combative.
  •cutthroat (adjective)
  • bloodthirsty,
  • relentless,
  • pitiless,
  • barbarous,
  • cruel,
  • hard as nails,
  • savage,
  • ferocious,
  • unprincipled.
  •dog-eat-dog (adjective)
  • aggressive,
  • voracious,
  • vicious,
  • unmerciful,
  • brutal,
  • ruthless,
  • fierce,
  • merciless,
  • cutthroat,
  • competitive.
  •merciless (adjective)
  • mortal,
  • implacable,
  • inexorable,
  • unyielding,
  • harsh,
  • hardhearted,
  • unrelenting,
  • unfeeling,
  • Iron-fisted,
  • unsparing,
  • unsympathetic,
  • grim,
  • severe,
  • unforgiving,
  • callous,
  • unflinching,
  • uncalled-for,
  • inhumane,
  • hard,
  • gratuitous,
  • wanton.
  •pitiless (adjective)
  • obdurate,
  • remorseless,
  • indifferent,
  • soulless,
  • heartless,
  • austere,
  • insensible,
  • stony,
  • frigid,
  • satanic,
  • mean,
  • hatchetjob,
  • coldblooded,
  • coldhearted,
  • inhuman.
  •ruthless (adjective)
  • cold,
  • sadistic,
  • adamant,
  • stern,
  • malevolent,
  • Hard-hearted,
  • revengeful,
  • surly,
  • cold-blooded,
  • feral,
  • vindictive,
  • rancorous.

• n.

  •competition (noun)
  • controversy,
  • dog eat dog,
  • event,
  • tournament,
  • go for the gold,
  • candidacy,
  • tilt,
  • counteraction,
  • go for it,
  • opposition,
  • sport,
  • match,
  • tug-of-war,
  • quiz,
  • matchup,
  • matchups,
  • struggle,
  • championship,
  • encounter,
  • puzzle,
  • racing,
  • pairing off,
  • striving,
  • meeting,
  • concours,
  • one-upping,
  • athletic event,
  • antagonism,
  • trial,
  • race,
  • one on one,
  • warfare,
  • engagement,
  • emulation,
  • strife,
  • do or die,
  • clash,
  • game,
  • horse race,
  • run,
  • bout,
  • fight,
  • rat race,
  • contention,
  • rivalry,
  • athletic events.

• Other synonyms:

  •adj.
  • at odds,
  • competing,
  • emulous,
  • hatchet job,
  • unappeasable,
  • unpitying,
  • Vying,
  • dog-eat-dog,
  • compassionless,
  • killer instinct,
  • killer,
  • having a killer instinct,
  • ironfisted,
  • mean machine,
  • without pity,
  • every person for themselves,
  • without mercy.
  •n.
  • competition.