The ongoing process of bringing something from inside (like thoughts, emotions, or abstract ideas) to the outside where it can be seen, heard, or observed.
From externalize + -ing (gerund/present participle suffix). The -ing form emerged in Middle English as a way to create continuous or habitual action forms.
In child development, 'externalizing behaviors' like aggression and hyperactivity are contrasted with 'internalizing behaviors' like anxiety—this distinction helps psychologists understand whether kids process their struggles outwardly or inwardly.
Complete word intelligence in one call. Free tier — 50 lookups/day.