The most common and most likely answer to this crossword clue is the 8 letter word SUFFUSED
I've seen this crossword clue in Financial Times
S
U
F
F
U
S
E
D
Buddy explains!
The straight part
We know that "steeped with liqui" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case steeped with liqui = suffused.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 SUFFUSED mean?
SUFFUSED verb- To spread through or over something, especially as a liquid, colour or light; to bathe.
- To spread through or over in the manner of a liquid.
- To pour underneath.