2
general::
verb ADV. almost, nearly | a little, slightly She stumbled a little on the uneven path. | blindly He stumbled blindly on through the dark building. | about, along, around, away, back, backwards, forward, on, out PREP. against, along, down, from, into, out of, over, towards, etc. They stumbled over the ploughed field. PHRASES stumble to your feet The train stopped, and several passengers stumbled to their feet. PHRASAL VERBS stumble across/on/upon sth ADV. accidentally, by chance, unwittingly I stumbled across the place quite by chance.
Oxford Collocations Dictionary