The most common and most likely answer to this crossword clue is the 6 letter word GREASE
G
R
E
A
S
E
More clues leading to the result GREASE
- Slippery stuff country reported?
- Calm when covered by gross oily stuff
- Musical location of many I’s, we hear?
- Fat? Agrees, sadly
- Old film report of country
- Oil for great comfort
- Lubricant gives King George comfort
- Soprano cast agree about is fat
- Endless vast ocean featuring in a musical
- Agrees to make a film musical
Buddy explains!

The straight part
We know that "Oil" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case oil = grease.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 GREASE mean?
GREASE noun- Animal fat in a melted or soft state
- (extension) Any oily or fatty matter.
- Shorn but not yet cleansed wool
- Inflammation of a horse's heels, also known as scratches or pastern dermatitis.
- To put grease or fat on something, especially in order to lubricate.
- To bribe.
- To cause to go easily; to facilitate.
- To perform a landing extraordinarily smoothly.
- To kill, murder.
- To cheat or cozen; to overreach.
- To affect (a horse) with grease, the disease.