"widening" in the noun sense
1. widening, broadening
an increase in width
2. turnout, widening
a part of a road that has been widened to allow cars to pass or park
3. widening, broadening
the act of making something wider
"widening" in the verb sense
become broader or wider or more extensive
"The road widened"
2. let out, widen
make (clothes) larger
"Let out that dress
"widen the road"
4. widen, broaden, extend
extend in scope or range or area
"The law was extended to all citizens"
"widen the range of applications"
"broaden your horizon"
"Extend your backyard"
Source: WordNet® (An amazing lexical database of English)
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