What does dialog mean?
Dialog is a noun meaning a conversation or exchange of ideas between two or more people, groups, or organizations. It often carries a connotation of serious, constructive communication — negotiators seek dialog with adversaries, and educators encourage dialog in the classroom — distinguishing it from lighter terms like chat or talk. The spelling is primarily American: British English strongly prefers the longer form 'dialogue' in every sense, while American English uses both, with 'dialog' prevailing in technical contexts. In computing, a dialog is an on-screen window that presents information or options to the user, as when a confirmation dialog asks whether you really want to delete a file. Derived from Greek roots meaning 'through speech', the word has long signified communication that flows between parties rather than from one speaker to a passive audience.
A conversation or exchange of ideas between two or more people, groups, or parties.
"The summit was hailed as the start of a new dialog between the rival nations."
In computing, an on-screen window that presents information or requests input from the user.
"Select 'Save' and a dialog will prompt you to choose a file name."
Standard plural; in British English, 'dialogues'.
"The script alternates between dialogs among the villagers and the narrator's asides."
The shorter spelling 'dialog' lost out to 'dialogue' everywhere except one place — American computer screens, where every pop-up window keeps it alive.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of dialog
Dialog comes from Greek 'dialogos', formed from 'dia-' ('through, across') plus 'logos' ('speech, word'), literally meaning 'conversation through speech'. It entered English via Latin and French in the early modern period, alongside its sibling form 'dialogue'. The same Greek root 'logos' gives us many related words, including dialect, logic, apology, prologue, and monologue. The shortened American spelling became entrenched through 20th-century usage and was cemented by computing terminology such as 'dialog box'.
Related word forms
How dialog is actually used
'Dialog' is chiefly an American spelling; British English uses 'dialogue' for all senses. In American usage, both spellings coexist for the conversational sense, but 'dialog' is dominant in technical computing contexts (e.g., 'dialog box'). The word carries a slightly more formal or purposeful tone than everyday words like 'chat' or 'talk', often implying meaningful engagement rather than casual conversation.
Easily confused with dialog
A monologue is speech by one person alone, while a dialog involves two or more parties exchanging words.