non-emotional (adjective) emotionless: unfeeling, undemonstrative
Sinonime: arduous, backbreaking,
brutal, chastening, crushing,
demanding, excruciating, exhausting, fatiguing,
fierce, grinding,
hairy*,
hard,
harsh,
heavy*,
laborious, punishing, racking,
severe,
stiff,
strenuous,
tiring, torturous, trying
Antonime: easy,
facile