WordWeb Online

1. Make a high-pitched, screeching noise
   "My car engine makes a skreaking noise";
   - whine, squeak, screech, creak, screak [dialect]
    
2. Utter a harsh abrupt scream
   - squawk, screak [dialect], skreigh [UK, dialect], screech

Type of: call, cry, holler [informal], hollo [non-standard], make noise, noise, resound, scream, shout, shout out, squall, yell