undignified (adj.)

• barbaric
• barbarous
• cacophonous
• chintzy
• clumsy
• coarse
• crude
• dysphemistic
• graceless
• gross
• harsh
• improper
• impure
• inappropriate
• incorrect
• indecent
• indecorous
• indelicate
• inelegant
• infelicitous
• low
• offensive
• outlandish
• rude
• tasteless
• unbecoming
• uncouth
• unfitting
• ungraceful
• unpolished
• unrefined
• unseemly
• unsuitable
• vulgar