self-absorption.

An excessive focus on your own concerns, feelings, or interests, with little attention to others.

Use it for

Words that belong together

• complete self-absorption
• retreat into self-absorption

On the page

His self-absorption kept him from noticing that the room had gone silent.

Usage notes

Primary category: psychology / human behavior. Forms: Usually uncountable; no ordinary plural in this sense. 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. Writing functions: character, interpretation. Commonness: moderately common.