Cryptic crossword clue
See 21dn 4

The most common and most likely answer to this crossword clue is the 4 letter word COLD

C
O
L
D


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The straight part
We know that "see 21D" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case see 21d = cold.
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 COLD mean?

COLD adjective
  1. (of a thing) Having a low temperature.
  2. (of the weather) Causing the air to be cold.
  3. (of a person or animal) Feeling the sensation of coldness, especially to the point of discomfort.
  4. Unfriendly, emotionally distant or unfeeling.
  5. Dispassionate, not prejudiced or partisan, impartial.
  6. Completely unprepared; without introduction.
  7. Unconscious or deeply asleep; deprived of the metaphorical heat associated with life or consciousness.
  8. (usually with "have" or "know" transitively) Perfectly, exactly, completely; by heart.
  9. (usually with "have" transitively) Cornered, done for.
  10. Not pungent or acrid.
  11. Unexciting; dull; uninteresting.
  12. Affecting the sense of smell (as of hunting dogs) only feebly; having lost its odour.
  13. Not sensitive; not acute.
  14. Distant; said, in the game of hunting for some object, of a seeker remote from the thing concealed. Compare warm and hot.
  15. Having a bluish effect; not warm in colour.
  16. Rarely used or accessed, and thus able to be relegated to slower storage.
  17. Without compassion; heartless; ruthless
COLD noun
  1. A condition of low temperature.
  2. (with 'the') A harsh place; a place of abandonment.
  3. A common, usually harmless, viral illness, usually with congestion of the nasal passages and sometimes fever.
  4. Rheum, sleepy dust
COLD adverb
  1. While at low temperature.
  2. Without preparation.
  3. With finality.
  4. In a cold, frank, or realistically honest manner.

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