undersubscribed
adjective
uk/ˌʌndəsəbˈskraɪbd/usSTOCK MARKET
if ashareissueis undersubscribed, not enoughpeoplewanttobuytheavailableshares:
The Bank'sissueofgiltswas undersubscribed.
used todescribeasituationin which not enoughpeoplewanttobuyor have things, such asticketsorplaces:
Somecoursesare undersubscribed.
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oversubscribed