The most common and most likely answer to this crossword clue is the 7 letter word OBELISK
I've seen this crossword clue in The Guardian
O
B
E
L
I
S
K
More clues leading to the result OBELISK
- Deranged bloke holds one small dagger
- Monument of Nobel is kitschy
- Needle and daggers with sleek edges
- Blokeish freak, needing shot of heroin, produces needle
- Honour large venture, right away creating monument
- Former pupil likes to edit column
- Monument as honour for potential silk
- Large spike in approval is preceded by brief career
- One can gain entry to remarkable bloke’s monument
- Column is penned by odd bloke
Buddy explains!

The straight part
We know that "Monument" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case monument = obelisk.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 OBELISK mean?
OBELISK noun- A tall, square, tapered, stone monolith topped with a pyramidal point, frequently used as a monument.
- (of a dragonfly) To adopt the obelisk posture; to point the tip of the abdomen towards the sun.
- A symbol resembling a horizontal line (–), sometimes together with one or two dots (for example, ⨪ or ÷), which was used in ancient manuscripts and texts to mark a word or passage as doubtful or spurious, or redundant; an obelisk.
- A dagger symbol (†), which is used in printed matter as a reference mark to refer the reader to a footnote, marginal note, etc.; beside a person's name to indicate that the person is deceased; or beside a date to indicate that it is a person's death date; an obelisk.