Ma'anar ƙamus na kalmar "marasa kyau" shine yanayi ko ingancin zama mara kyau, wanda zai iya komawa ga abubuwa daban-daban dangane da mahallin. Ga wasu ma’anoni kaɗan masu yiwuwa:Hanyar gani ko jaddada mummuna ko abubuwan da ba a so na yanayi ko abu; rashin tausayi. Maganar rashin yarda ko suka; negativity. Yanayin rashin kyawawan halaye ko halaye; negativity. Ingantacciyar kasancewa kishiyar ko akasin wani abu; negativity.