verb
To insert
write in, answer, complete; see complete 1, fill out 2.
To substitute
replace, act for, represent; see substitute 2.
To inform
apprise, acquaint, bring up to date, clue in*; see notify 1.
See fill in in Webster's New World Roget's A-Z Thesaurus II
One that takes the place of another:
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Also Mentioned In
» alternate
» base
» breaker
» chaser
» complete
» develop
» fill
» filler
» flash
» linkup
» more results...
Browse entries near fill in
fill
fill (investment)
fill (idioms)
fill a prescription
fill an order
fill in (idioms)
fill or kill
fill out
fill out (idioms)
fill pattern
