The most common and most likely answer to this crossword clue is the 6 letter word MURDER
I've seen this crossword clue in The Guardian
M
U
R
D
E
R
More clues leading to the result MURDER
- Put half your money to begin with on red, returning to make a killing
- Champion on course to make comeback crows
- Easily beat old steeplechaser going the wrong way
- Killing instrument returned to Queen
- Backing horse a crime sometimes after first 30
- Killing the return of revolutionary spirit
- Top champion horse raised
- Comprehensively beat famous racehorse backed
- Crows about National success
- Take out and beat up 11
Buddy explains!

The straight part
We know that "Easily beat" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case easily beat = murder.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 MURDER mean?
MURDER noun- The crime of deliberately killing another person without justification.
- The act of deliberate killing of another person or other being without justification, especially with malice aforethought.
- (in jurisdictions which use the felony murder rule) The commission of an act which abets the commission of a crime the commission of which causes the death of a human.
- (used as a predicative noun) Something terrible to endure.
- (collective) A group of crows; the collective noun for crows.
- To deliberately kill (a person or persons) without justification, especially with malice aforethought.
- To defeat decisively.
- To kick someone's ass or chew someone out (used to express one’s anger at somebody).
- To botch or mangle.
- To devour, ravish.