The most common and most likely answer to this crossword clue is the 7 letter word ASSEGAI
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More clues leading to the result ASSEGAI
- Spear produced by stupid person, say, leading to fine?
- Simple weapon like one a long time back
- Weapon transported to the north in carriages safely
- Something thrown from carriages safely picked up
- African leader is circling a long time, twirling his weapon
- Fool English soldier, concealing a weapon
- Jenny and I secure revolutionary period weapon
- Top-rated fool, for example, in front throwing weapon
- One gets on with it, picking up 24
- Spear, say, used in attack, but with end falling off
Buddy explains!

The straight part
We know that "Kill with spear" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case kill with spear = assegai.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 ASSEGAI mean?
ASSEGAI noun- A slim hardwood spear or javelin with an iron tip, especially those used by Bantu peoples of Southern Africa.
- The tree species Curtisia dentata, the wood of which is traditionally used to make assegais.
- To spear with an assegai.