Offbeat and Unadapted

Offbeat adjective - Different from the ordinary in a way that causes curiosity or suspicion.

Unadapted and offbeat are semantically related In some cases you can use "Unadapted" instead an adjective "Offbeat".

Unadapted adjective - Not having acquired a habit or tolerance.

Offbeat and unadapted are semantically related in antagonistic topic. Sometimes you can use "Offbeat" instead an adjective "Unadapted".