Definition of top dog in English:

top dog

Syllabification: top dog

noun

informal
A person who is successful or dominant in their field: he was a top dog in the City
More example sentences
  • My point is that our nature as simian mammals pretty much dictates that the top dogs in our political systems are going to be more concerned with maintaining their privileged positions than anything else.
  • I would assume the vice president is your top dog in a shadow government.
  • The city's latest ranking as the top dog number one place in Britain to do profitable business testifies to that.

Definition of top dog in:

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Word of the day internecine
Pronunciation: ˌɪntəˈniːsʌɪn
adjective
destructive to both sides in a conflict