Cryptic crossword clue
Having got up fast, I ran to look inside 5

The most common and most likely answer to this crossword clue is the 5 letter word ASTIR

A
S
T
I
R


Buddy explains!

The straight part
We know that "Having got up" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case having got up = astir.
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 ASTIR mean?

ASTIR adjective
  1. In motion; characterized by motion.
  2. Out of bed; up and about.

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