イガイガ Also written いがいが, イカイカ, いかいか Meanings Noun bur (of a chestnut, etc.); burr See also: いが. Adverb irritating (e.g. one's throat); thorny; bristling crying of a baby Example sentences 喉がイガイガします。My throat is irritated. 喉が少しイガイガするのよ。My throat is a little sore. Common phrases イガイガする Jinuma: Japanese Dictionary · Word lists