uncomfortably
adv.in a way that makes you feel physically or emotionally uneasy. You use this when a situation is not pleasant or when you feel too close to someone.
adv.in a manner that causes physical or emotional distress; in a position or situation that is not pleasant or suitable.
“The chair is too small and sits uncomfortably.”
“The two old friends sat uncomfortably in silence, unsure of what to say after the long argument.”
“The witness felt uncomfortably aware of the jury's scrutiny as she answered the difficult questions regarding the incident.”
“Almost overnight, Smith became a symbol of a modern beauty ideal, often uncomfortably sexualised before she had properly entered adulthood.”
“A couple of Australian breakers named Tinylocks and Flix form a Greek chorus here, taking uncomfortably gleeful pleasure in Raygun’s public downfall.”
From uncomfortable + -ly or un- + comfortably.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.