Askance (adverb)

1. With a side glance or a look of disapproval, suspicion, or mistrust.
2. With a sideways or oblique glance.

Origin:

from the phrase "ask ance" meaning obliquely or sidelong.

Examples:

1. He looked askance at the stranger who had approached him.
2. She gave him an askance glance, skeptical of his story.
3. The proposal was met with askance glances by the investors.
4. The onlookers watched askance, unsure of what to make of the situation.
5. He spoke askance, not looking at her directly.