guài​tāi

freak

怪胎 guài​tāi
freak noun
an eccentric, abnormal person or a freak of nature

He is seen as a freak with strange behavior by everyone.

abnormal embryo noun
an abnormal embryo or a fetus born with physical deformities

This kind of environmental pollution may cause pregnant women to have deformed fetuses.

Frequency

Movie subtitles
9.69 per million appears in 4% of films
Written text
1.11 per million

Sources

Definitions
CC-CEDICT