half-caste

Adjective

 * 1)  Of mixed racial descent.

Usage notes
In 2006 British anthropological surveys by Peter J. Aspinall et al, out of 75 general population respondents who identified as “mixed race”, and one who did not, seven found the term “half-caste” offensive; and out of 311 student respondents who identified as “mixed race”, and 15 who did not, 60 found it offensive.

Noun

 * 1)  A person of mixed racial descent.