見苦しい
みぐるしい · migurushii · JLPT N1 · i-adj
unsightly
見 (look) + 苦 (bitter/painful) + しい: things that look painful to the eye = unsightly
見苦しい breaks down as 見る (to see) + 苦しい (painful, distressing). Something that is painful to look at is unsightly or ugly.
苦 — grass radical 艹 + 古 (old)
Originally referred to a bitter-tasting plant, with the grass radical 艹 indicating its botanical nature and 古 providing the phonetic element. The meaning extended from the literal bitter taste to figurative senses of hardship, suffering, and painful effort.