Any substance formed as part of a series of chemical reactions that is not the end-product.
An intermediary.
Anything in an intermediate position.
To mediate, to be an intermediate.
To arrange, in the manner of a broker.
Being between two extremes, or in the middle of a range.
without symmetry, regularity, or uniformity
rough
not regular; having sides that are not equal or angles that are not equal
whose faces are not all regular polygons (or are not equally inclined to each other)
nonstandard; not conforming to rules or expectations
not following the regular or expected patterns of inflection in a given language
A soldier who is not a member of an official military force and who may not use regular army tactics.
One who does not regularly attend a venue.