The most common and most likely answer to this crossword clue is the 9 letter word SMAL[L]ER
S
M
A
L
[
L
]
E
R
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The straight part
We know that "Inferior" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case inferior = smal[l]er.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 SMAL[L]ER mean?
SMAL[L]ER adjective- Not large or big; insignificant; few in number.
- Young, as a child.
- (writing, incomparable) Minuscule or lowercase, referring to written or printed letters.
- Envincing little worth or ability; not large-minded; paltry; mean.
- Not prolonged in duration; not extended in time; short.
- Slender, gracefully slim.
- In a small fashion.
- In or into small pieces.
- To a small extent.
- In a low tone; softly.