The most common and most likely answer to this crossword clue is the 11 letter word HIGH-HANDED
I've seen this crossword clue in The Times
H
I
G
H
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H
A
N
D
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D
Buddy explains!

The straight part
We know that "Like autocrat" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case like autocrat = high-handed.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 HIGH-HANDED mean?
HIGH-HANDED adjective- Using power or authority without proper consideration for the feelings or rights of others.