run into is a verb meaning "be beset by". It carries 4 recorded senses.
collide violently with an obstacle
“I ran into the telephone pole”
hit against; come into sudden contact with
“The car hit a tree”
“He struck the table with his elbow”
Definitions, synonyms and semantic relations for run into come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.