Complete
Complete verb - To do what is required by the terms of.
Usage example: no payments will be made until the contract is completed
Fill is a synonym for complete in perform topic. In some cases you can use "Fill" instead a verb "Complete", when it comes to topics like fill out, be an appendage to, fill in, carry out action.
Fill
Fill verb - To do what is required by the terms of.
Usage example: orders received by this date will be filled in time for Christmas delivery of the merchandise
Complete is a synonym for fill in perform topic. You can use "Complete" instead a verb "Fill", if it concerns topics such as fill out, carry out, be an appendage to, fill in.
Common collocations
Both words in one sentence
- A collection of either complete or dormant fics that attempt to fill in the gaps left by the card game or the story.
Source: Fanfic Recs / Magi-Nation - A number of the documents they send are aggressive on some level, threatening termination for failing to complete a job or referring to any janitor who doesn't want to fill out reports as a "reprobate employee".
Source: Adminisphere - Lyrical Dissonance: A complete set of examples would probably fill a page on their own; this trope was practically a trademark of the genre.
Source: Ska Punk
Cite this Source
Fill and Complete. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/complete/fill
Complete & Fill. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/complete/fill>.
Fill or Complete. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/complete/fill.
Google Ngram Viewer shows how "complete" and "fill" have occurred on timeline