The most common and most likely answer to this crossword clue is the 7 letter word SELFISH
I've seen this crossword clue in The Daily Telegraph
S
E
L
F
I
S
H
More clues leading to the result SELFISH
- Inconsiderate son, a bit like a pixie
- Pronounced retail angle to be greedy
- Son, mischievous, inconsiderate toward others
- Songsmith, essentially mischievous and egocentric
- Mercenary is flesh-wounded
- Mean what seafood stall may do? Only one line
- Reportedly 2 in 20, say? That’s greedy
- Looking after number one son, doctor flies to reach hospital
- Mostly flog salmon, perhaps being greedy
- Almost flog Ray? That’s inconsiderate
Buddy explains!

The straight part
We know that "inconsiderate" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case inconsiderate = selfish.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 SELFISH mean?
SELFISH adjective- Holding one's own self-interest as the standard for decision making.
- Having regard for oneself above others’ well-being.