ハードトップハードトップCommon wordMeanings1nounhardtopA car body style with a rigid roof, often without a B-pillar, giving a pillarless side window profile. Used in automotive contexts.あのハードトップは、窓まどを全ぜん部ぶ開あけると開かい放ほう感かんがある。That hardtop feels open when all the windows are down.