The most common and most likely answer to this crossword clue is the 5 plus 2 letter word CHEER UP
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More clues leading to the result CHEER UP
- Lychee Rupert’s eaten for comfort
- Lift red, then lift white
- Revolutionary, with total recanting, to become less miserable
- Console learner disconnected to help cure failing
- Encourage to sing around centre of tom-tom
- Child gets soup knocked over? Try to smile!
- Take encouragement in comfort
- Comfort achieved in Switzerland with soup on reflection
- Lychee Rupert's eaten for comfort
Buddy explains!

The straight part
We know that "to become less miserable" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case to become less miserable = cheer up.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.