1. Plural of humankind; multiple groups or populations of human beings, or distinct varieties of humanity.
Usage: Rarely used in standard English; 'humankind' is typically treated as a mass noun and does not take a plural form in most contexts.; May appear in specialized or literary contexts to refer to different human populations or civilizations.

Examples

• The anthropologist studied the various humankinds across different continents.
• In science fiction, the story explores multiple humankinds living on separate planets.
• Historical records document the migrations of different humankinds throughout the ages.