What does the cryptic crossword clue "Thrust forward, storming redoubt (7)" mean?

The definition is "Thrust forward,". The wordplay uses an anagram. anagram of REDOUBT = OBTRUDE; definition: "Thrust forward," The answer is OBTRUDE.

Thrust forward, storming redoubt (7)

Independent Cryptic #10867 | 20 Down | 2021-08-11 flower