The most common and most likely answer to this crossword clue is the 7 letter word ITERANT
I
T
E
R
A
N
T
More clues leading to the result ITERANT
- I’ll join regiment under canvas, on the move
- I complain at length about tennis elbow for starters, being repetitive
- Repetitive philippic by leaders in institution, thoroughly execrable
- Repeating appeal to buy historic period’s books
- Characters from scriptwriter anticipated to be repetitive
- One that repeats nitrate compound
- The empty train moves — goes on and on
Buddy explains!
The straight part
We know that "goes on and on" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case goes on and on = iterant.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.