What does fill in mean in English?

You can learn fill in Pronunciation, Grammar & Synonyms in this most authoritative English Dictionary.

fill in Meaning, Definition, Pronunciation, Grammar & Synonyms❤️

0 to do someone else's work for them because they cannot or will not do it themselves:
- She will fill in for him while he's at the conference.
- I'm not her regular secretary - I'm just filling in.
1 to do someone else’s job temporarily:
- The gym teacher was sick today, so a substitute filled in for her.
2 to write or type information on a document in spaces that are provided for it:
- Companies will encourage customers to fill in questionnaires about themselves.
- Please print off a copy of the agreement, fill it in, sign it and send it back.
3 to do the work of someone else for a short time:
- fill in for sb I asked Agnes to fill in for me while I went for lunch.
- When you're off sick, someone else has to fill in.
4 to tell someone something they do not know, especially something that happened when they were not there:
- I haven't seen the latest report, so perhaps you could fill me in?
- fill sb in on sth Josh filled me in on what had been agreed at the meeting.
5 a person who does a job for a short period of time, for example, for someone who is ill

When accompanying a song, the instrumental line usually follows the vocal line in unison with some ornamental variation and fill-in melodies between vocal phrases.
As might have been expected, there is a rather close connection between the avoidance of fill-in and the maintenance of scarcity.
More precisely, the guiding principle is that fill-in is accepted at locations in the global matrix where the nodes belong to the same finite element.
The fill-in rules would not be applicable to such a representation, resulting in a target-appropriate realization of [s].
This is mainly due to the effect of fill-in occurring during the factorisation process.
With population pressure rising, some residents petitioned to fill-in the palace moat and use that land for new construction.
Forms were elicited through definitions, paraphrases, fill-in-theblank phrases, pictures or drawings.
The further imposition of the fill-in property has important conceptual and mathematical consequences.