1. a secondary or subordinate theme within a larger work or topic

Examples

• The novel’s main theme is love, but it contains several subthemes about family loyalty.
• Environmental protection emerged as a subtheme in the political debate.
• The researcher identified three subthemes within the broader topic of student motivation.
• Each chapter explores a different subtheme related to the book’s central argument.
• The documentary’s subtheme of economic inequality complemented its focus on education.
• Teachers can help students identify both the main theme and subthemes in literature.