(grammar) A pronoun that emphasizes a preceding noun or another pronoun (as the word itself in “borrowing is itself a bad habit”)

plural of intensive pronoun

plural of high-intensity interval training

(fitness) A fitness training regimen which generally involves short periods of vigorous exercise followed by short breaks.

(US, proscribed, nonstandard) Eggcorn of for all intents and purposes.

Alternative form of intensive care unit

A hospital ward into which critically ill patients, in danger of dying, are admitted and closely monitored (abbreviation: ICU).

plural of intensive-care unit

plural of intensive care unit

Eggcorn of for all intents and purposes.