Borrowed fromLatincompletio, completionem, fromcomplere(“to fill up, complete”); comparable to Englishcomplete +‎-ion.

• IPA^(key):/kəmˈpliːʃən/

• Audio(Southern England):

  (file)

• Rhymes:-iːʃən

completion (countable anduncountable,pluralcompletions)

1. The act or state of being or making somethingcomplete;conclusion,accomplishment.
   • 1897 December (indicated as1898),Winston Churchill, chapter X, inThe Celebrity: An Episode, New York, N.Y.:The Macmillan Company; London:Macmillan & Co., Ltd.,→OCLC:

     Mr. Cooke had had a sloop yacht built at Far Harbor, thecompletion of which had been delayed, and which was but just delivered. […] The Maria had a cabin, which was finished in hard wood and yellow plush, and accommodations for keeping things cold.

2. (law) The conclusion of an act ofconveyancing concerning the sale of aproperty.
3. (American football) A forwardpass that is successfully caught by the intendedreceiver.
4. (mathematics) The act of making ametric spacecomplete by addingpoints.
5. (mathematics) The space resulting from such an act.
6. (computing)Synonym ofautocomplete

   tabcompletion

• (state of being complete):completeness,doneness; see alsoThesaurus:completion

• (antonym(s) of“state of being or making complete”):incompletion,unfinishedness; see alsoThesaurus:incompletion
• (antonym(s) of“making complete; accomplishment”):termination

•  completion on Wikipedia.Wikipedia