To grope around for s.t. in the dark [N-]; to grope around in the dark (as a blind man) [ba-]; ; to wander around in an unfamiliar place [ba-]; to be guessing how to do s.t. [ba-].
Grope around for the matches there near our heads.
Don't wander around in this city lest you get lost.
You are just guessing blindly at how to make a basket.