Pronunciation: [nˈɛkst dˈɔː] (IPA) 
The correct spelling of the two-word phrase "next door" is /nɛkst dɔr/. The first word, "next," is spelled with an "x" but is pronounced with a "ks" sound, represented by the IPA symbol /ks/. The second word, "door," is pronounced with a long "o" sound represented by the IPA symbol /ɔ/. The phrase "next door" means the adjacent, neighboring physical location or residence.
Next door is an idiomatic phrase commonly used to describe the close proximity or adjacency of two entities or locations. It refers to the property, residence, or building immediately adjacent or adjoining another. Typically, "next door" suggests being situated on the same street or in the immediate vicinity, allowing easy physical access or close proximity. It connotes a closeness and convenience that is derived from the proximity of two neighboring places.
This term is often associated with neighbors and is utilized to describe someone who lives or works in the adjacent property, often sharing walls or fences. The phrase "next door" can be used to identify a physical location such as the house, apartment, or office adjacent to the one occupied by the speaker or the subject under discussion. Additionally, it can refer to the person dwelling or operating in that adjoining space.
The concept of "next door" extends beyond the literal spatial connection by implying familiarity and a sense of community. Living next door to someone suggests a certain level of interaction, whether it be through casual encounters, sharing resources, or engaging in neighborly activities. Consequently, the term often evokes notions of neighborliness, connectedness, and in some cases, the potential for both positive and negative interactions.
* The statistics data for these misspellings percentages are collected from over 15,411,110 spell check sessions on www.spellchecker.net from Jan 2010 - Jun 2012.
The word "next" comes from the Old English word "neah", which means "near" or "close". "Door" has its roots in Middle English, ultimately derived from the Old English word "duru". The phrase "next door" emerged in the English language around the 14th century, combining these two words to refer to the adjacent or neighboring door, often indicating proximity. Over time, it came to be used metaphorically to mean someone or something that is in close proximity to another person or thing.
