(non-productive) used with certain words to add a notion similar to those conveyed by with, together, or joint / (non-productive) used with certain words to intensify their meaning

constructed, artificial / hypothetical, fictional / related to conlangs, conworlds, etc.

(rare) To study or examine carefully, especially in order to gain knowledge of; to learn, or learn by heart. / (rare, obsolete) To know; understand; acknowledge.

A disadvantage of something, especially when contrasted with its advantages (pros).

(slang) A convicted criminal, a convict.

(informal) A fraud; something carried out with the intention of deceiving, usually for personal, often illegal, gain.

(transitive, informal) To trick or defraud, usually for personal gain.

(informal) An organized gathering, such as a convention, conference, or congress.

(informal) The conversion of part of a building.

(informal, obsolete) Consumption; pulmonary tuberculosis.