Definition of limiting adjective from the Oxford Advanced Learner's Dictionary. putting limits on what is possible. Lack of cash is a limiting factor. Questions about grammar and vocabulary? Find the answers with Practical English Usage online, your indispensable guide to problems in English.
1. serving to restrict or restrain; restrictive; confining. 2. (of an adjective or other modifier) serving to restrict, rather than describe, the word it modifies, as this in this room or certain in a certain person. Compare descriptive (def. 2a).
There are three meanings listed in OED's entry for the adjective limiting, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.