adjective. ['ˈɪrəˌteɪtɪŋ'] causing irritation or annoyance.
adjective. ['ˈɪrəˌteɪtɪŋ'] causing physical discomfort; they can be very painful".
adjective. ['ˈɪrəˌteɪtɪŋ'] (used of physical stimuli) serving to stimulate or excite.