鈍感 (translations)→ dense dull insensitive miss stolidity
平気 (translations)→ calm cool ease fine like optimistic trustingly unconcerned undisturbed
無意識 (translations)→ subconscious unawareness unconsciousness
無感動 (translations)→ callousness indifference
無神経 (translations)→ blunt callous careless clod tactless unconcern unpolished
冷淡 (translations)→ dry frigidity frigidness