19 possible answers to
Answers with 3 characters: DRY Answers with 4 characters: BARE IDLE NULL VAIN VOID Answers with 5 characters: BLANK DRAIN INANE PURGE Answers with 6 characters: BARREN DEVOID HOLLOW VACANT Answers with 7 characters: DEPLETE VACUOUS Answers with 8 characters: OUTOFGAS CLEANOUT EVACUATE