Synonyms for Hard-shell

Synonyms starting with letter D

• deep-rooted

  continue, confirmed
• deep-seated

  confirmed, continue
• dyed-in-the-wool

  confirmed
• determined
• discourteous
• dour
• disciplinary
• dense
• disagreeing
• discordant
• dissonant
• disturbing
• definite
• disciplined
• deaf to
• die-hard
• dogged