Synonym word of foot-in-mouth:

bad form,disproportionate,foot-in-mouth,garbage, ill-fitted, ill-suited, ill-timed,improper, inapplicable, inapropos,incongruous, inconsonant,incorrect, indecorous,inept,irrelevant, left-field, malapropos,off, out of line, out of place, tasteless, unbecom