The most common and most likely answer to this crossword clue is the 5 letter word SKEWS
S
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S
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The straight part
We know that "colours" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case colours = skews.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 SKEWS mean?
SKEWS noun- Something that has an oblique or slanted position.
- An oblique or sideways movement.
- A bias or distortion in a particular direction.
- A phenomenon in synchronous digital circuit systems (such as computers) in which the same sourced clock signal arrives at different components at different times.
- A state of asymmetry in a distribution; skewness.
- To form or shape in an oblique way; to cause to take an oblique position.
- To bias or distort in a particular direction.
- To hurl or throw.
- To move obliquely; to move sideways, to sidle; to lie obliquely.
- To jump back or sideways in fear or surprise; to shy, as a horse.
- To look at obliquely; to squint; hence, to look slightingly or suspiciously.
- A stone at the foot of the slope of a gable, the offset of a buttress, etc., cut with a sloping surface and with a check to receive the coping stones and retain them in place; a skew-corbel.
- The coping of a gable.
- One of the stones placed over the end of a gable, or forming the coping of a gable.