irritant | n 1. substance that causes irritation, perengsa, bahan iritasi: pollen is often an ~ that induces hay fever, debunga merupakan perengsa yg selalu mengakibatkan demam alergi; 2. st that causes so. to be irritated, (sst yg) menjengkelkan: his very presence was a constant ~, kehadirannya menjengkelkan. | Kamus Inggeris-Melayu Dewan |