unkommentiert
without comment
Without an accompanying comment, explanation, or contextualization.
Die Zeitung druckte das umstrittene Foto unkommentiert ab.
The newspaper printed the controversial photo without comment.

without comment
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without comment
Without an accompanying comment, explanation, or contextualization.
Die Zeitung druckte das umstrittene Foto unkommentiert ab.
The newspaper printed the controversial photo without comment.

The word is made up of the negating prefix 'un-' and 'kommentiert' (commented). 'Kommentiert' is the past participle of the verb 'kommentieren' (to comment). So 'unkommentiert' literally means 'not provided with a comment'.
Er postete das Bild unkommentiert in den sozialen Medien.
He posted the picture on social media without comment.
'Unkommentiert' is especially often used adverbially with the verb 'lassen' (to leave / let). 'Etwas unkommentiert lassen' means that someone consciously decides not to say anything about something.
Die Politikerin wollte die Gerüchte unkommentiert lassen.
The politician wanted to leave the rumors uncommented.
This word is often found in media and journalism. It is frequently combined with verbs such as 'veröffentlichen' (to publish), 'abdrucken' (to print), 'zeigen' (to show), or 'senden' (to broadcast).
Der Sender zeigte die kontroversen Aufnahmen unkommentiert.
The broadcaster showed the controversial footage without comment.
without comment
'unkommentiert' and 'kommentarlos' both mean that no comment or explanation is given. The difference is mainly in usage. 'Unkommentiert' is an adjective and often describes a thing, for example a news item, a photo, or a statement. 'Kommentarlos' is usually an adverb and describes how someone acts: without saying anything about it. Learners may confuse the words because the meaning is almost the same. As a simple guide: something remains 'unkommentiert'; a person does something 'kommentarlos'.

Der Bericht wurde unkommentiert auf die Webseite gestellt.
The report was posted on the website without comment.
Nach dem Gespräch legte sie kommentarlos die Unterlagen auf den Tisch.
After the conversation, she placed the documents on the table without comment.