<jargon> (Said of people, computers, algorithms, programs) (To be) a success at a given task.
E.g. "WYSIWYG is a clear win for small documents".
"winnitude" is the quality that something which wins has. "winning" is often (ab)used as an adjective.
Synonyms: cuspy, elegant. Antonym: lose. Compare lossy, lossless.
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