Synonyms for Hard shell

Synonyms starting with letter I

• impulsive

  stubborn
• imperviousness

  ability to withstand
• ineradicable

  confirmed
• ingrained

  confirmed, habitual
• inveterate

  confirmed, habitual
• irradicable

  confirmed
• inured

  confirmed, habitual
• imprudent

  stubborn
• intractable

  stubborn
• implacable

  serious
• inexorable

  serious
• inflexible

  serious
• infestive
• in spitting distance
• inward-looking
• inhuman
• ironfisted
• iron-fisted
• incapacious
• impliable
• inhumane
• immalleable
• in the ball park
• in good shape
• in good condition
• in the habit
• in fine fettle
• in the habit of