The most common and most likely answer to this crossword clue is the 7 letter word OILIEST
O
I
L
I
E
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T
More clues leading to the result OILIEST
- Most flattering modiste regularly stocks unnamed lines
- Most slimy East German admits: ‘You can’t believe me’
- Most smooth, detailed poet from the east has India at heart
- Most unctuous way to attract attention, with art deceiving?
- Most unctuous love stories will be found in it
- Most slippery one is prone in a place of surgery
- Most smarmy Republican ignored terrible riots over falsehood
- Unfortunately, Eliot is most unctuous
Buddy explains!

The straight part
We know that "Most smarmy" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case most smarmy = oiliest.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 OILIEST mean?
OILIEST adjective- Relating to or resembling oil.
- Covered with or containing oil.
- Excessively friendly or polite but insincere.