What does the cryptic crossword clue "Snub I assume hides prejudice (4)" mean?

The definition is "prejudice". The wordplay uses a hidden word. Hidden in "snuB I ASsume hides prejudice" The answer is BIAS.

Snub I assume hides prejudice (4)

Guardian Cryptic #29190 | 6 Across | 2023-10-02 flower