/ ˈsɒlɪsɪzəm; NAmE ˈsɑːl-/ noun ( formal )
1.
a mistake in the use of language in speech or writing
2.
an example of bad manners or unacceptable behaviour
••
WORD ORIGIN
mid 16th cent.: from French solécisme , or via Latin from Greek soloikismos , from soloikos speaking incorrectly.