The most common and most likely answer to this crossword clue is the 9 letter word STIMULANT
I've seen this crossword clue in The Guardian
S
T
I
M
U
L
A
N
T
More clues leading to the result STIMULANT
- One drug-dealer, short worker at end of street offering cocaine?
- Novel litmus test’s first to include a new catalyst
- Tonic in US mixed with last of finest malt
- It’s exciting, kinky Latin smut
- Salt in tum sickened? Here’s a tonic
- Upper seconds by alumni failing in avoiding alcohol
- Slope around rising university college in Boston getting drug?
- Exciting stuff – last-minute scramble blocking Messi’s second
- Viagra perhaps, man with lust it excited
- Drug for man with lust, it turned out
Buddy explains!
The straight part
We know that "Tonic" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case tonic = stimulant.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 STIMULANT mean?
STIMULANT noun- A substance that acts to increase physiological or nervous activity in the body.
- Something that promotes activity, interest, or enthusiasm.
- (pharmaceutical effect) Acting as a stimulant.