The most common and most likely answer to this crossword clue is the 8 letter word VIGOROUS
I've seen this crossword clue in The Daily Telegraph
V
I
G
O
R
O
U
S
More clues leading to the result VIGOROUS
- Lively operatic prince feeding you in Paris
- Spirited Russian chap interrupts you in Paris
- Spirited Russian fellow among solvers in Paris?
- Strong port, ours had been stirred!
- Strong men entering Spanish city with American
- Robust house dropping Republican over the States
- Lively Spanish port run by old American
Buddy explains!
The straight part
We know that "Strong" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case strong = vigorous.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 VIGOROUS mean?
VIGOROUS adjective- Physically strong and active.
- Mentally strong and active.
- Rapid of growth.