deleterious /ˌdɛlɪˈtɪərɪəs/ Pronounced as adjective FORMAL causing harm or damage. 𝑺𝒉𝒆 𝒘𝒂𝒔 𝒕𝒉𝒆 𝒐𝒏𝒍𝒚 𝒔𝒐𝒍𝒂𝒄𝒆 𝒊𝒏 𝒉𝒊𝒔 𝒄𝒉𝒂𝒐𝒕𝒊𝒄 𝒘𝒐𝒓𝒍𝒅 𝑯𝒆 𝒘𝒂𝒔 𝒂 𝑴𝒂𝒏𝒊𝒂𝒄, 𝒔𝒉𝒆 𝒘𝒂𝒔 𝒉𝒊𝒔 𝒑𝒖𝒓𝒆 𝑴𝒂𝒍𝒊𝒄𝒆 𝑯𝒆 𝒘𝒂𝒔 𝒂 𝒄𝒉𝒂𝒐𝒔, 𝒔𝒉𝒆 𝒘𝒂𝒔 𝒔𝒆𝒓𝒂𝒑𝒉𝒊𝒄 𝑯𝒆 𝒘𝒂𝒔 𝒂𝒏𝒈𝒔𝒕, 𝑺𝒉𝒆 𝒘𝒂𝒔 𝒎𝒚𝒔𝒕𝒆𝒓𝒚 𝑯𝒆 𝒘𝒂𝒔 𝑨𝒍𝒐𝒏𝒆, 𝑺𝒉𝒆 𝒘𝒂𝒔 𝒉𝒊𝒔 𝒄𝒐𝒎𝒑𝒂𝒏𝒊𝒐𝒏 𝑯𝒆 𝒘𝒂𝒔 𝒐𝒃𝒔𝒆𝒔𝒔𝒆𝒅, 𝑺𝒉𝒆 𝒘𝒂𝒔 𝒉𝒊𝒔 𝒐𝒃𝒔𝒆𝒔𝒔𝒊𝒐𝒏 𝑯𝒆 𝒘𝒂𝒔 𝒎𝒂𝒅 , 𝒂𝒔 𝒑𝒆𝒐𝒑𝒍𝒆 𝒄𝒂𝒍𝒍𝒆𝒅 𝒉𝒊𝒎,𝑨𝒏𝒅 𝒔𝒉𝒆, 𝒘𝒂𝒔 𝒉𝒊𝒔 𝒎𝒂𝒅𝒏𝒆𝒔𝒔 𝑯𝒊𝒔 𝒔𝒂𝒏𝒊𝒕𝒚 𝑯𝒊𝒔 𝒍𝒆𝒇𝒕 𝒐𝒖𝒕 𝒉𝒖𝒎𝒂𝒏𝒊𝒕𝒚 𝑯𝒊𝒔 𝒔𝒂𝒄𝒓𝒆𝒅 𝒑𝒍𝒂𝒄𝒆 𝑩𝒖𝒕 𝒘𝒂𝒔 𝒔𝒉𝒆 𝒆𝒗𝒆𝒏 𝒓𝒆𝒂𝒍 𝒐𝒓 𝑱𝒖𝒔𝒕 𝒂𝒏 "𝒊𝒍𝒍𝒖𝒔𝒊𝒐𝒏"