piercingly
adverb /ˈpɪəsɪŋli/
  /ˈpɪrsɪŋli/
- in a way that seems to notice things about another person that would not normally be noticed, especially in a way that makes that person feel anxious or embarrassed
- She gazed piercingly in his eyes.
 - His eyes were piercingly blue.
 
 - piercingly cold, bright, clear, etc. very cold, bright, clear, etc. in a way that feels as if it can pass through your clothes and skin
- The weather remained piercingly cold.
 
 - in a very high, loud and unpleasant way synonym shrilly
- She screamed piercingly.
 
 - in a way that affects your feelings very strongly, especially causing you pain
- piercingly sad