simple past tense and past participle of postsynch

An Italian abbot or other member of the clergy.

(slang, derogatory) To ask loaded questions inviting someone to justify their views or behaviours, in an attempt to make tangential claims of little verisimilitude appear acceptable.

(inorganic chemistry) the compound H₂NS(=O)₂OH / (organic chemistry) Any N-hydrocarbyl derivative of this substance