Uncommon, rare; difficult to find; insufficient to meet a demand. (adjective)
Scarcely, only just. (adverb)
Examples of word scarce
Thus, _If cats are scarce, mice are plentiful_, contains two verbal clauses; but _if cats are scarce_ is conditional, not indicative; and _mice are plentiful_ is subject to the condition that _cats are scarce_.
A quarter century had passed since Douglas had hired the Court's first female clerk; that was during World War II, when male law students were in scarce supply.
Still, economists expect jobs likely will remain scarce even as the economy improves.
Unfortunately, deals are in scarce supply from wineries directly.
I think it will turn into another argument over how scarce is the ammo?