RSI

plural RSIs

1. abbreviationcountableinitialismbiologyInitialism of repetitive strain injury.

   Proper typing is key to preventing RSI. Contorting the fingers of one hand to reach more than one key at once, especially if you’re typing one-handed while holding your phone against the other ear, is a recipe for muscle strain.

   2018 February 19, Ann Robinson, “Seven ways … to prevent and manage RSI”, in The Guardian, →ISSN

2. abbreviationinitialismuncountablemachine learningInitialism of recursive self-improvement.

   Obviously, uncontrolled RSI could produce a runaway feedback loop that leads to an irreversible loss of human control.

   2026 June 17, Stuart Russell, “Will it take a ‘Chornobyl-scale disaster’ for us to regulate AI?”, in The Guardian, →ISSN

   1 more example

   Using these systems, engineers could create software with a speed that was unimaginable just a few months before. This is one reason researchers are bullish on the pursuit of R.S.I.

   2026 September 16, Cade Metz, “The Liftoff Scenario That Terrifies A.I. Doomsayers”, in The New York Times, →ISSN

3. abbreviationinitialismuncountablebusinessInitialism of relative strength index.

   The heavy selling of ABCB shares appears to be in the process of exhausting itself, as indicated by its RSI reading of 25.66.

   2025 January 2, “Ameris Bancorp (ABCB) Loses -9.76% in 4 Weeks, Here's Why a Trend Reversal May be Around the Corner”, in Yahoo! Finance, United States, archived from the original on 11 Sep 2025

4. abbreviationcountableinitialismuncountablemedicineInitialism of rapid sequence induction.

   Synonyms: RSII