0 informal for specification (= a detailed description of how something should be or has been done, made, etc.):
The article compares the specs of ten of the best-selling cars.
1 taking a chance, without being sure that you will get what you want:
2 to plan, do, or make something according to a particular specification (= a detailed description of how something should be done or made):
3 used to describe a house, etc. that is designed and built by a person or company to be sold to anyone who will buy it, rather than for a particular customer:
4 short form ofspecification:
5 abbreviation for specification :
6 taking a chance, without being sure that you will get what you want:
"Builders just kept putting up one spec house after another," she says.
He said developers are building spec homes for short-term profits, not realizing the long-term effects.
He built the two houses on the lake as "spec homes," or on speculation that he could sell them.
There are not less than five spec buildings going up in the area.