Bastard

bâtard

(of or like a bastard (illegitimate human descendant))

bâtard

(of or like a bastard (bad person))

croisé

(of or like a mongrel, bastardized creature/cross)

faux

(spurious, lacking genuinity of authenticity)

simili

(of abnormal, irregular or otherwise inferior qualities (size, shape etc.))

bordel de merde

(exclamation of dismay)

enculé

(exclamation of dismay)

merde

(exclamation of dismay)

rogntudju

(exclamation of dismay)

scrogneugneu

(exclamation of dismay)

vingt dieux

(exclamation of dismay)

bâtard

(person born to unmarried parents)

bâtard

(mongrel)

bâtard

(informal: child that does not know their father)

bâtarde

(person born to unmarried parents)

croisé

(mongrel)

enculé

(humorously: man, fellow)

enfoiré

(contemptible etc. person)

enfoiré

(humorously: man, fellow)

fils de pute

(contemptible etc. person)

salaud

(contemptible etc. person)

saleté

(informal: something extremely difficult or unpleasant)

salopard

(contemptible etc. person)

salopard

(humorously: man, fellow)

saloperie

(informal: something extremely difficult or unpleasant)