fill in
phrasal verbfill in (for somebody)
- to do somebody’s job for a short time while they are not there
fill something in
- (especially British English) (also fill something out British and North American English)to complete a form, etc. by writing information on it
- to fill in an application form
- To order, fill in the coupon on p 54.
- to fill something completely
- The hole has been filled in.
- to spend time doing something while waiting for something more important
- He filled in the rest of the day watching television.
- to complete a drawing, etc. by covering the space inside the outline with colour
fill somebody in (on something)
- to tell somebody about something that has happened