A non-commissioned officer in the Canadian, US and UK Navy and the US Coast Guard; roughly equivalent to a sergeant in the army

A structure made by stacking playing cards in a pyramidal fashion. / (by extension, often attributive) Any structure with alternating vertical and horizontal layers.

(inorganic chemistry) A non-flammable gas (N₂O) commonly used in surgery and dentistry for its anaesthetic and analgesic effects.

(idiomatic) Despite, irrespective of, notwithstanding.

(idiomatic) In a condition of poverty or debility, especially as a result of experiencing a financial or personal setback.

While standing up or walking, running, etc. / (idiomatic) Able to stand; hence, healthy, well, especially after some previous illness.

(accounting) The cancellation of an item; the amount cancelled or lost / Something that is now worthless (such as a car after an accident)

Nonstandard spelling of write off.

(idiomatic) To open an office or business, especially in a profession.

(slang, vulgar) An erection of the penis. / (slang, vulgar, figuratively) A desirous arousal based on a fascination or obsession.