malapropism /malˈə-pro-pi-zm/

1. The misapplication of words without mispronunciation, from Mrs Malaprop in Sheridan's play, The Rivals, who uses words malapropos
2. A word so used

• dirty look
• dirty looks
• dirty money
• dirty old man
• dirty old men
• dirty trick
• dirty tricks
• dirty war
• dirty wars
• dirty weekend
• dirty weekends
• dirty word
• dirty words
• dirty work
• dis
• dis-
• dis.
• Dis
• disa
• disabilities
• disability
• disable
• disabled
• disablement
• disablements