Cryptic crossword clue
Sacred time’s filled with passion 5

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

I've seen this crossword clue in The Daily Telegraph
H
O
T
L
Y

Buddy explains!

The straight part
We know that "with passion" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case with passion = hotly.
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 HOTLY mean?

HOTLY adverb
  1. With great amounts of heat
  2. In a heated manner; intensely or vehemently

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