Four Letter Word
Noun Phrase · Slang & Abbreviations
Definitions
A joking way to say a word, concept, or requirement is treated like something rude or cursed. In engineering slang, teams use it when a topic like 'rewrite' or 'compliance' makes everyone visibly tense.
In plain English: A word or concept treated as taboo, cursed, or emotionally loaded.
Example: "At that company, 'scope' was practically a four letter word because every conversation about it turned into a fight over deadlines and sales promises."