A conversation or other form of discourse between two or more individuals.
"The play opens with a tense dialog between the estranged siblings about their family history."
In plain English: A dialog is a conversation where two people take turns speaking to each other.
"The team members had to agree on a clear dialog before starting their project."
Usage: Use the noun dialog to refer specifically to a written exchange, such as in software interfaces or scripts, rather than spoken conversation which is typically spelled "dialogue." When used as a verb meaning to converse with someone, it functions identically to its verbal counterpart and does not require an object.
To discuss or negotiate so that all parties can reach an understanding.
"The community leaders engaged in a dialog to resolve their conflicting views on the new park design."
In plain English: To dialog means to have an open and friendly conversation with someone about something important.
"The teacher dialoged with each student to understand their learning gaps better."
Dialog is a variant spelling of dialogue that entered English from Greek roots meaning "across words." It combines the prefix dia- (meaning "through" or "across") with -log (from logos, meaning "word"), reflecting its original sense of an exchange where speakers address one another.