Fill In — synonyms, definition

1. fill in (Noun)

backup backup man relief reliever stand-in

fill in (Noun) — Someone who takes the place of another (as when things get dangerous or difficult). ex. "we need extra employees for summer fill-ins"

compeer equal match peer alternate double locum locum tenens replacement stunt man stunt woman surrogate

2. fill in (Verb)

complete fill out make out shade stand in sub substitute

fill in (Verb) — Supply with information on a specific topic.

fill in (Verb) — (art) represent the effect of shade or shadow on.

fill in (Verb) — Be a substitute. ex. "The young teacher had to fill in for the sick colleague"

fill in (Verb) — Write all the required information onto a form. ex. "fill in this questionnaire, please!"

change draw exchange inform interchange paint crosshatch fill