Reviewed crossword explanation · 4 letters
Contractor's detail, for short crossword clue
Editorially reviewed August 18, 2026
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Form cue
Think of a four-letter shortening for a written project requirement.
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Answer
How the short form works
“Spec” is short for “specification,” the document or detail a contractor follows when estimating or completing a job.
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Expanded meaning
A detailed description of the design, materials, or requirements for a piece of work.
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This independently written explanation is for learning and clue analysis. It is not an official answer key from a crossword publisher.