1. to express one's own opinions or interpretations in a piece of writing or speech that is supposed to be factual or objective
Usage: British spelling; American spelling is 'editorializing'; often used critically to describe bias in reporting
2. to write or publish an editorial (a newspaper article expressing the editor's opinion)
Usage: less common usage

Examples

• The news anchor was accused of editorialising instead of simply reporting the facts.
• By adding phrases like 'unfortunately' and 'thankfully,' the journalist was editorialising her coverage.
• Good reporters avoid editorialising and let the evidence speak for itself.
• The documentary was criticised for editorialising about the historical events rather than presenting them neutrally.
• She began editorialising about the government's policies during what should have been an objective interview.
• The textbook was revised to remove passages where authors were editorialising rather than teaching.