Borrowed from Latin completio, from complere; comparable to English complete + -ion.

• IPA: /kəmˈpliːʃən/

completion (plural completions)

1. The act or state of being or making something complete; conclusion, accomplishment.
   • 1897 December (indicated as 1898), Winston Churchill, chapter X, in The 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, the completion 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. (legal) The conclusion of an act of conveyancing concerning the sale of a property.
3. (American football) A forward pass that is successfully caught by the intended receiver.
4. (mathematics) The act of making a metric space complete by adding points.
5. (mathematics) The space resulting from such an act.
6. (computing) Synonym of autocomplete

   tab completion

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

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

• French: achèvement
• German: Fertigstellung, Vervollständigung, Vollendung
• Italian: completamento
• Portuguese: making complete: completamento, completação, conclusão; state of being complete: completude
• Russian: заверше́ние
• Spanish: conclusión, compleción (rare), completación

• French: exécution

• German: Vervollständigung

• German: Vervollständigung