Definitions
of purchase orders that have not been filled
Word origin
From un- + filled.
Used in a sentence
“[W]e stand today on the edge of a New Frontier -- the frontier of the 1960's, the frontier of unknown opportunities and perils, the frontier of unfilled hopes and unfilled threats.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Still vacant”8 letters
Not quite right?
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U_______