Wiktionary
vb. (context transitive English) To supply with insufficient power.
Usage examples of "underpower".
He smiled wryly, not wanting to explain that he was the underpowered part of the equipment.
Gerlich had asked Nylan directly, beyond complaining about underpowered bows.
The machine was woefully underpowered, for his taste, but it was serviceable, and better than the tourist-trolleys.
Sluggish and underpowered, those had made a poor first ring of offense.
Bobbie Jo, her mind and spirit, were linked to an underpowered backup drone drifting slowly over eastern Newark, futilely, it now seemed.
Euphrates River 12 km SE Dayr Az Zawr, Syria Thursday, 9 March 1995 0545 Hours, Local It was still dark but the dawn was overtaking the underpowered outboard.
Stripped of her marvellous Rolls marines - and underpowered with the more economical Allisons.
At the moment in question, I stood broiling under a sun undimmed by atmosphere, my poor tired flesh encased in a smelly vacsuit with an underpowered cooling unit, as I watched six Taladoran technicians struggle to complete the power hookups for the fixed-beamer battery that was our sole means of defense.