Under-age (not underage as in too young) but state of being under as it relates to inventory. Synonyms include shortage,
dearth, under stocked, insufficiency and
scarcity. Antonyms include
overage.
1. We won't make it through winter with the
under-age of our supplies.
2. We thought we were going to have an
overage, but it turns out we have a under-age, oh well.
3. You always have to be
mindful of your under-age.