plural of extremely low frequency

(Christianity) The Catholic sacrament of Anointing of the Sick.

The humorous extreme sport of ironing in various outdoor places, especially those that are remote or difficult to access. Abbreviation: EI

plural of extreme sport

Any sport taking place at potentially dangerous speeds or heights, or involving a high level of physical exertion, highly specialized gear, or spectacular stunts.

Lethal force, applied extrajudicially with the intent to kill. / Severe treatment. / Used other than figuratively or idiomatically: see extreme, prejudice.

Skiing performed on long, steep slopes in mountainous terrain.

(music) Any style of modern heavy metal, especially thrash metal, speed metal, doom metal, black metal or death metal.

A range of techniques for the production of energy from unconventional resources that are environmentally damaging or risky.

(software engineering) A software engineering methodology that promotes agility and simplicity, typically involving pair programming and a cycle of frequent testing and feedback.