steelest

synonyms for steelest

• rigid
• steely
• adamant
• firm
• heavy
• immovable
• steel
• thick
• unbending
• adamantine
• cruel
• dense
• ferric
• ferrous
• implacable
• indomitable
• inexorable
• insensible
• obdurate
• relentless
• robust
• strong
• stubborn
• unyielding

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Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.