Native American slavery has traditionally been treated by scholars as a secondary matter that is of historical interest because of its relationship to other more common forms of exploitation, or because it was a curious but minor variation on the more important enslavement of African peoples on colonial plantations.
frivolity - the trait of being frivolous; not serious or sensible. Synonyms: frivolousness. Antonyms: serious-mindedness, earnestness, seriousness, sincerity - the trait of being serious; a lack of solemnity is not necessarily a lack of seriousness- Robert Rice.
Meaning: Not serious in content or attitude or behavior. Context examples: a frivolous novel / a frivolous remark / a frivolous young woman. Similar: airheaded; dizzy; empty-headed; featherbrained; giddy; light-headed; lightheaded; silly (lacking seriousness; given to frivolity) flighty; flyaway; head-in-the-clouds; scatterbrained (guided by whim and fancy)