Odd and Undefinable

Odd adjective - Being one of a pair or set without a corresponding mate.

Undefinable and odd are semantically related In some cases you can use "Undefinable" instead an adjective "Odd".

Nearby Words: oddity, oddly

Undefinable adjective - Not capable of being precisely or readily described; not easily put into words.

Odd and undefinable are semantically related in explanation topic. You can use "Odd" instead an adjective "Undefinable", if it concerns topics such as inexplicable.