Synonyms of widen in English:

widen


See definition of widen

verb

1‘a proposal to widen the motorway’

SYNONYMS
broaden, become wider, make wider, open up, open out, spread, expand, extend, enlarge, stretch
fatten, distend, dilate
ANTONYMS

narrow

2‘the Party must widen its support’

SYNONYMS
increase, augment, add to, develop, boost, swell, supplement, amplify, enlarge, make bigger, make greater, make larger
ANTONYMS

restrict, limit