The Collaborative International Dictionary
Underload
Underload \Un"der*load\, v. t. to load (a truck, etc.) with less than its full capacity; -- in certain circumstances, an inefficient use of resources.
Wiktionary
underload
n. insufficient load vb. (context transitive English) To load insufficiently.
Usage examples of "underload".
Too many impressions were striking his underloaded brain, and his mind would soon be a tangled mass of contradictions.