fǎn​xiàng

opposite direction

反向 fǎn​xiàng
opposite direction adverb
moving or oriented in a direction contrary to the previous or standard one

He was pulled over by the police for driving the wrong way on a one-way street.

reverse adjective
acting, operating, or ordered in a manner that is the opposite of the norm or a logical sequence

Reverse thinking often helps us find new ways to solve problems.

Frequency

Movie subtitles
1.88 per million appears in 1% of films
Written text
3.12 per million

Sources

Definitions
CC-CEDICT