When you made something broader or more open, you widen it. In order to add bike lanes on your street, the city may need to widen it.

Your friend's smile will undoubtedly widen when you hand him a chocolate cupcake — in other words, what starts as a grin gets bigger and wider. A scholar who widens her area of expertise adds subjects to her research, and your dinner options widen when two great new restaurants open in your town.

Definitions of widen

v extend in scope or range or area

widen the range of applications”
broaden, extend
expand, extend
expand the influence of
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make broader
territorialise, territorialize
extend by adding territory
globalise, globalize
make world-wide in scope or application
extend the scope or meaning of; often unduly
Type of:
make bigger or more

v make wider

widen the road”
white out
widen the interlinear spacing by inserting leads
Type of:
alter, change, modify
cause to change; make different; cause a transformation

v become broader or wider or more extensive

“The road widened
contract, narrow
make or become more narrow or restricted
flare, flare out
become flared and widen, usually at one end
dilate, distend
become wider
Type of:
become bigger or greater in amount

v make (clothes) larger

let out
take in
make (clothes) smaller
Type of:
alter, change, vary
become different in some particular way, without permanently losing one's or its former characteristics or essence

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