killer application

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. A [[technological]] [[product]] that is so [[good]], or so [[innovative]], that it is [[irresistible]] to [[potential]] [[customer]]s; especially a [[software]] product that [[persuade]]s people to buy the [[hardware]] needed to use it.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.