1. [ verb ] supply with information on a specific topic

"He filled me in on the latest developments"

Related terms: inform
2. [ verb ] (fine art) represent the effect of shade or shadow on
Synonyms: shade
Related terms: paint draw crosshatch art shading
3. [ verb ] be a substitute
Synonyms: substitute stand_in sub

"The young teacher had to substitute for the sick colleague" "The skim milk substitutes for cream--we are on a strict diet"

Related terms: exchange substitute stand-in substitute subbing
4. [ verb ] write all the required information onto a form
Synonyms: fill_out complete make_out

"fill out this questionnaire, please!" "make out a form"

Related terms: write_down
Similar spelling:   file_in