The most common and most likely answer to this crossword clue is the 6 letter word RAISED
R
A
I
S
E
D
More clues leading to the result RAISED
- Congratulated when having lack of parking brought up
- Highly bred?
- Philosopher finally getting original ideas, lifted
- Resistance over crackpot ideas brought up
- Collected and given a lift
- Collect organic seed in equal intervals
- Increases hearing levels
- Exalted beyond the pinnacle!
- Built up, or else torn down audibly
- Free ride as given a lift
Buddy explains!

The straight part
We know that "Built up" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case built up = raised.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does RAISED mean?
RAISED verb- (physical) To cause to rise; to lift or elevate.
- To create, increase or develop.
- To establish contact with (e.g., by telephone or radio).
- To respond to a bet by increasing the amount required to continue in the hand.
- To exponentiate, to involute.
- (of a verb) To extract (a subject or other verb argument) out of an inner clause.
- (of a vowel) To produce a vowel with the tongue positioned closer to the roof of the mouth.
- To increase the nominal value of (a cheque, money order, etc.) by fraudulently changing the writing or printing in which the sum payable is specified.
- To throw (an exception).
- Embossed, in relief.