From Wiktionary, the free dictionary
From mis- + treat .
mistreat (third-person singular simple present mistreats , present participle mistreating , simple past and past participle mistreated )
( transitive ) To treat someone, or something roughly or badly .
Synonyms: ill-treat , ill-use , abuse
( transitive , medicine ) To administer an incorrect treatment to a patient.
1989 April 8, John Dooley, “Syphilis and AIDS: What's the Connection?”, in Gay Community News , page 8:The syphilis that Catapano and other AIDS-syphilis theorists are especially concerned about may develop when repeated treponeme infections are not treated, or, more commonly, are 'mistreated with penicillin.
treat someone or something roughly or badly
Arabic: بَهْدَلَ ( bahdala )
Armenian: please add this translation if you can
Bulgarian: държа се лошо с ( dǎrža se lošo s )
Catalan: maltractar (ca)
Cebuano: dagmal , tampalas
Chinese:
Mandarin: please add this translation if you can
Danish: mishandle
Dutch: mishandelen (nl)
Esperanto: mistrakti
Finnish: kohdella kaltoin
French: maltraiter (fr)
Galician: maltratar (gl)
Georgian: please add this translation if you can
German: misshandeln (de) , schinden (de)
Gothic: 𐌲𐌰𐌽𐌰𐌹𐍄𐌾𐌰𐌽 ( ganaitjan )
Greek:
Ancient: προυσελέω ( prouseléō ) , αἰκίζω ( aikízō )
Haitian Creole: maltrete
Interlingua: maltratar
Italian: maltrattare (it)
Khmer: ធ្វើបាប ( thvəə baap )
Latin: malo tractare
Maori: rurerure , tūkino
Mongolian: please add this translation if you can
Old English: misbēodan
Portuguese: destratar (pt) , maltratar (pt) , judiar (pt)
Quechua: allquchakuy
Romanian: maltrata (ro)
Russian: пло́хо обраща́ться ( plóxo obraščátʹsja ) ( also: ду́рно, жесто́ко, etc. )
Spanish: maltratar (es) , lagarear (es) , sopetear (es) , sopapear (es) , brear (es)
Thai: please add this translation if you can
Vietnamese: ngược đãi (vi)