Suburbia is the outer residential districts, and the life led there. Escape suburbia, the tedium of suburbia, deep in suburbia.
It is almost never neutral: the word carries a whole set of assumptions about conformity, lawns and quiet desperation, which a great deal of twentieth-century fiction put there. Most people in Britain and America actually live in it.
1nounsuburbiaThe outer residential districts, and the life led there.
“They left the city for suburbia, with its quiet streets and neat front lawns.”
suburbia is a place.
From suburb plus -ia, an ending naming a place or condition, on the model of Latin place names.
Proto-Indo-European
*gʰerdʰ-
Latin
suburbia — suburbs
English, today
suburbia
From suburb + ia, perhaps modelled after Latin suburbia (“suburbs”), the plural of suburbium.
Etymology from Wiktionary, CC BY-SA