1) Alternative to PJs 2) Boxers 3) Brief briefs 4) Briefs 5) Drawers 6) Drawers or bloomers 7) Intimate apparel 8) Lingerie 9) Panties and teddies 10) Private garments 11) Skintight wear 12) Small drawers 13) Some wear 14) These can be brief 15) Unmentionables Found on https://www.crosswordclues.com/clue/undies