The most common and most likely answer to this crossword clue is the 6 letter word ERODED
E
R
O
D
E
D
More clues leading to the result ERODED
- Journalist, having travelled in, is worn out
- Staff in jacket of ermine, with diamonds worn
- Energy went up before days gradually grew shorter?
- English radical taking overdose crumbled away
- Worn out journalist therein took a trip on a bus?
- Worn down journalist travelled inside
- Even pieces of gold break before diamond gets worn away
- Stick stuck in rising river wore away
- Tamil Nadu town began to dry, was destroyed
- Hero, dedicated, partly undermined
Buddy explains!

The straight part
We know that "gradually grew shorter?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case gradually grew shorter? = eroded.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 ERODED mean?
ERODED verb- To wear away by abrasion, corrosion or chemical reaction.
- To destroy gradually by an ongoing process.
- Worn down or worn away.