Writing & StyleStyle guide

Viz. Abbreviation

“Viz.” is a written abbreviation used to introduce a more exact specification of what was just stated. Cambridge marks the form old-fashioned and gives “namely” as a modern synonym.

Quick answer

“Viz.” means “namely” or “that is to say” when introducing a more exact specification; Cambridge marks it old-fashioned.

Key details

Core IssueViz. introduces a more exact specification and is marked old-fashioned by Cambridge.
Phrase Rolewritten abbreviation introducing specification
Registerformal/older written style

Important caveats

Punctuation Boundary

The dictionary headword includes the abbreviation period; surrounding comma punctuation depends on sentence structure and style.

Further guidance

Meaning

Cambridge defines “viz.” as a written form used to give more detail or be more exact about a preceding statement.

Register

Cambridge labels the expression old-fashioned, so plain “namely” is often clearer in modern prose.

Sources and evidence

Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.

  1. Viz. — Cambridge Dictionary (opens in a new tab)Cambridge Dictionary · Meaning and written form of viz.; marked old-fashioned and synonymous with namely

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