Tweedledum and Tweedledee

noun
Twee·​dle·​dum and Twee·​dle·​dee | \ ˌtwē-dᵊl-ˈdəm-ən(d)-ˌtwē-dᵊl-ˈdē How to pronounce Tweedledum and Tweedledee (audio) \

Definition of Tweedledum and Tweedledee

: two individuals or groups that are practically indistinguishable

First Known Use of Tweedledum and Tweedledee

1725, in the meaning defined above

History and Etymology for Tweedledum and Tweedledee

English tweedle to chirp + dum (imitative of a low musical note) & dee (imitative of a high musical note)

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