Synonyms to run up against

alight upon, blunder upon, bump into, chance upon, come across, come among, come down on, come on, come up against, come upon, confront, descend upon, discover serendipitously, drop on, encounter, fall across, fall among, fall foul of, fall in with, fall on, fall upon, happen upon, hit upon, light upon, meet, meet head-on, meet up with, meet with, pitch upon, run across, run into, run smack into, run upon, settle on, strike upon, stumble on, stumble upon, tumble on, pass through, be exposed to, be subjected to, course, cover, do, endure, experience, feel, gain entree, get into, get through, go over, go through, have, interpenetrate, know, labor under, make an entrance, make way into, measure, overpass, pass over, patrol, pay, penetrate, perambulate, peregrinate, pererrate, pierce, ply, range, range over, reconnoiter, scour, scour the country, scout, spend, stand under, suffer, sustain, sweep, taste, track, transit, travel over, travel through, traverse, undergo, voyage, be all thumbs, blunder, blunder away