Definitions for "Unfilled"
To present participles which come from intransitive verbs, or are themselves employed as adjectives, to mark the absence of the activity, disposition, or condition implied by the participle;
Keywords:  filled, bottle, responded, ill, request
not filled; "an unfilled bottle"; "unfilled spaces"
An ILL request that has not been filled or responded to by a lender.
Keywords:  adhesive, added, substance, non
No non-adhesive substance added to an adhesive.