The most common and most likely answer to this crossword clue is the 5 letter word IMBUE
I
M
B
U
E
More clues leading to the result IMBUE
- Fill Tramp’s puzzle in the end: incomplete Tramp’s for filling
- Suffuse disrobed limbs with beginnings of unalloyed eroticism
- Setter’s born with hollow urge to impregnate
- Fill one’s sad line out
- Fill minutes regularly detaining doctor
- Squeezing bum roughly, that is to permeate
- As the Chelsea manager might say before/after sacking, Lampard principally out to inspire
- It’s steep that Cockney chap getting depressed with loss of pound
- This compiler’s occasionally obtuser fill
- I’m sad without beginner to inspire
Buddy explains!

The straight part
We know that "steep" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case steep = imbue.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 IMBUE mean?
IMBUE verb- To wet or stain an object completely with some physical quality.
- In general, to act in a way which results in an object becoming completely permeated or impregnated by some quality.