stare1 S3 W2 [intransitive]
to look at something or someone for a long time without moving your eyes, for example because you are surprised, angry, or bored
What are you staring at?
stare (at somebody) in disbelief/amazement/horror etc
She stared at me in disbelief.
She sat there staring into space (=looking for a long time at nothing).
if something is staring you in the face, it is very clear or easy to notice but you have not noticed it:
The solution was staring me right in the face all along.
to seem impossible to avoid:
Defeat was staring us in the face.