misusage

incorrect or improper use <the teacher was appalled by the new student's misusage of some basic scientific terms> Synonyms abuse, misapplication, misemployment, misuse, misutilization, perversionRelated Words mishandling, mismanagement, mismanaging; ill-treatment, ill-usage, maltreatment, mistreatment; damage, destruction, ruin, spoiling, wrecking; corruption, debasement, desecration, profanation, prostitutionNear Antonyms application, employment, use, utilization