toughened

apathetic careless cold-blooded heartless indifferent insensitive uncaring unsympathetic

hardened indurated inured unbending

blind to case-hardened cold deaf to hard hard-bitten hard-boiled hardhearted impassive impenitent inflexible insensate insensible insentient obdurate soulless spiritless stiff stony stubborn thick-skinned torpid tough unaffected uncompassionate unconcerned unfeeling unimpressionable unresponsive unsusceptible

caring compassionate concerned feeling interested kind merciful mindful nice responsive sympathetic

sensitive tender

coldhearted seasoned

accustomed benumbed callous habituated indurated inured prepared steeled unbending

case-hardened contemptuous cruel disdainful hard as nails hard-bitten hard-boiled hardhearted heartless impenetrable impious inaccessible irreverent obdurate obtuse resistant unashamed uncaring uncompassionate unemotional unrepenting unsubmissive

compassionate feeling kind nice sympathetic

accomplished competent hardened knowledgeable qualified skillful trained wise

instructed matured practiced prepared tested tried vet weathered

adept battle-scarred been around been there expert familiar old hand pro professional veteran worldly worldly wise

ignorant incapable inept inexperienced unable unskilled untalented

benumbed callous coldhearted hard as nails hardhearted insensitive seasoned tough unbending unfeeling

adamantine armored brass-bound durable everlasting firm incorruptible indestructible infrangible invulnerable lasting nonbreakable perdurable resistant rugged shatterproof solid tight unshakable unyielding

breakable delicate fragile weak