duality.

The presence of two contrasting or complementary aspects within something.

Use it for

Words that belong together

• duality of identity
• apparent duality

On the page

The novel explores the duality of public duty and private desire.

Usage notes

Primary category: academic / formal. Forms: Countable or uncountable by context; countable singular duality; plural dualities. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Commonness: moderately common.