Synonyms for Hard shell

Synonyms starting with letter U

• unkind

  nasty
• unpleasant

  nasty
• unfeelingness

  ability to withstand
• uncivil

  nasty
• unfeeling

  nasty
• ungracious

  nasty
• unrelenting

  serious
• uncontrollable

  stubborn
• ungovernable

  stubborn
• unruly

  stubborn
• unyielding

  serious, stubborn
• unsparing

  serious
• uphill battle
• uncalled for
• unventilated
• unforthcoming
• unswayable
• up to speed
• unrepenting
• unsubmissive
• unashamed
• used to