undersubscription noun3 •The subscription of significantly less than is available.There were no instances of undersubscriptions in SDL auctions of 28 states as against 18 such instances last year. — 2013 •The failure to provide sufficient threads in a multithreaded application.When there are not enough running threads to optimally exploit available PEs undersubscription occurs, resulting in a waste of performance. — 2012 •The employment of more ports or bandwidth than necessary to ensure that network communication does not face delays. formsundersubscriptions
