Definify.com
Webster 1913 Edition
Widen
Wid′en
,Verb.
 T.
 [
imp. & p. p. 
Widened
; p. pr. & vb. n. 
Widening
.] To make wide or wider; to extend in breadth; to increase the width of; 
 as, to 
 widen 
a field; to widen 
a breach; to widen 
a stocking.Wid′en
,Verb.
 I.
 To grow wide or wider; to enlarge; to spread; to extend. 
Arches 
widen
, and long aisles extend. Pope.
Webster 1828 Edition
Widen
WIDEN
,Verb.
T.
 WIDEN
,Verb.
I.
 And arches widen, and long aisles extend.
Definition 2025
Widen
widen
widen
See also: Widen
English
Verb
widen (third-person singular simple present widens, present participle widening, simple past and past participle widened)
-  (intransitive) To become wide or wider.
- His eyes widened as her negligee fell to the floor.
 
 -  (transitive) To make wide or wider.
-  2011 September 29, Tom Rostance, “Stoke 2 - 1 Besiktas”, in BBC Sport:
- But he still saw his side produce a rousing display which owed much to their lauded prowess from set-pieces, despite Uefa regulations meaning the pitch had to be widened and, in the process, the run-up area for Delap's long throws reduced.
 
 
 -  
 -  (transitive) To let out clothes to a larger size.
- She widened his trousers for him.
 
 -  (transitive) To broaden or extend in scope or range.
- The police widened their enquiries.
 
 
Translations
to become wider
  | 
to make wider
  | 
to let out clothes
to broaden or extend