What does the cryptic crossword clue "Get rid of bad feelings teacher (liar) provoked (5,3,3)" mean?

The wordplay uses an anagram. anagram of TEACHER + (LIAR) = CLEARTHEAIR The answer is CLEARTHEAIR.

Get rid of bad feelings teacher (liar) provoked (5,3,3)

Daily Mail Cryptic #17310 | 12 Across | 2024-03-08 flower