1. Say (a word, phrase or syllable) in a certain way
   "Can the child sound out this complicated word?";
   - pronounce, articulate, enounce [archaic], enunciate, say
    
2. Try to learn someone's opinions and intentions
   "I have to sound out the new professor";
   - check out, feel out

Derived forms: sounding out, sounded out, sounds out

Type of: mouth, query, question, speak, talk, utter, verbalise [Brit], verbalize