The act of making something wider

• Getting broader
• Make wider
• Become broader or wider or more extensive
• An increase in width
• Make larger, of clothes
• Extend in scope or range or area

Wiktionary Word definitions in Wiktionary
1 Of things that are growing wider. 2 Of things that are separate, with increasing separation. n. The action of the verb widen. v (present participle of widen English)

WordNet Word definitions in WordNet
n. an increase in width [syn: broadening ] [ant: narrowing ] a part of a road that has been widened to allow cars to pass or park [syn: turnout ] the act of making something wider [syn: broadening ] [ant: narrowing ]

Wikipedia Word definitions in Wikipedia
In computer science , especially model checking and abstract interpretation , widening refers to at least two different techniques in the analysis of abstract transition systems where infinite progressions of abstract states are replaced by a (computed ...