widthen

present singular third person widthens · participle present widthening · participle past widthened · past widthened

1. ambitransitivenonstandardrareTo increase in width, or increase the width of; make or become wider or broader

   For the last few years this group has widthened its sphere of interest and is now called Communications and Flight Procedures Group.

   1984, Michael J. Harrison, Sidney A. Gauthreaux, Lilia A. Abron-Robinson, Proceedings, Wildlife Hazards to Aircraft Conference and Training Workshop

   1 more example

   He used to hit the ball straight back, and as he batted over time his game, as he put it, 'widthened', until ultimately he could cut and pull.

   2016, Graeme Fowler, Absolutely Foxed

   Synonyms: broaden, widen