back-or·dered
ˈbak-ˈȯr-dərd
: ordered for purchase or delivery but not yet available : placed on back order
a list of back-ordered merchandise
The LX450 is back-ordered at many Lexus dealers.—Michael Shnayerson
She looked for generic brands of the medicine, but found they were back-ordered or unavailable for purchase.—Kara Driscoll
back-ordered
2 of 2past tense and past participle of back-order
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Merriam-Webster unabridged



