Which is the most negative connotation of verb to look?

The most negative connotation of the verb "to look" depends on the context, but some of the most common negative connotations include:

* To look down on: This implies a sense of superiority and disdain, suggesting that one views someone or something as inferior.

* To look askance at: This implies suspicion, disapproval, or distrust.

* To look away from: This can suggest avoidance, lack of interest, or even guilt.

* To look the other way: This implies a deliberate choice to ignore something wrong or unpleasant.

* To look sinister: This suggests an appearance that evokes fear or suspicion of evil intentions.

Ultimately, the negativity of "to look" depends on the surrounding words and the overall context of the sentence.