Cryptic crossword clue
Unbearably intense giver mixed with new poor 12

The most common and most likely answer to this crossword clue is the 12 letter word OVERPOWERING

I've seen this crossword clue in Financial Times
O
V
E
R
P
O
W
E
R
I
N
G

Buddy explains!

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 OVERPOWERING mean?

OVERPOWERING verb
  1. To subdue someone by superior force.
  2. To excel or exceed in power; to cause to yield; to subdue.
  3. To render imperceptible by means of greater strength, intensity etc.
  4. To make excessively powerful.
OVERPOWERING adjective
  1. That overpowers; so strong as to be overwhelming.

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