The term 'pitchings' has a few antonyms, which are related to the context that the word is used. If the word refers to the act of pitching a tent or a structure, then the antonyms could be 'dismantling' or 'disassembling.' However, if it refers to the throwing of a ball or a sportsman's pitch, then the opposite could be 'catching' or 'fielding.' In the business world, pitchings are sales presentations or proposals. In such context, the antonyms could be 'rejection,' 'refusal,' or 'declination.' In summary, antonyms for 'pitchings' are dismantling, disassembling, catching, fielding, rejection, refusal, and declination.