The most common and most likely answer to this crossword clue is the 12 letter word CONDEMNATION
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Buddy explains!
The straight part
We know that "Sentence" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sentence = condemnation.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 CONDEMNATION mean?
CONDEMNATION noun- The act of condemning or pronouncing to be wrong
- The act of judicially condemning, or adjudging guilty, unfit for use, or forfeited; the act of dooming to punishment or forfeiture.
- The state of being condemned.
- The ground or reason of condemning.
- The process by which a public entity exercises its powers of eminent domain.