Synonyms of unloving

1 Syllable
stiff, cool, cold
2 Syllables
frosty, formal, icy, rigid, chilly, aloof
3 Syllables
forbidding, passionless, cold-shoulder, lifeless, impotent, austere, cold-hearted, passive, ardorless, repellent, unbending, unfeeling
4 Syllables
inhibited, indifferent
5 Syllables
unapproachable, unresponsive