run into

verb

1. be beset by

   verb.stative

   Synonyms encounter

   Source: WordNet 3.0

2. collide violently with an obstacle

   verb.contact

   Synonyms bump into butt against jar against knock against

   Source: WordNet 3.0

3. hit against; come into sudden contact with

   verb.contact

   Synonyms collide with hit impinge on strike

   Antonyms miss

   Source: WordNet 3.0

4. come together

   verb.motion

   Synonyms come across encounter meet run across see

   Source: WordNet 3.0