WordWeb Online

1. Not established or confirmed
   "his doom is as yet unsealed";
   - uncertain
    
2. Not closed or secured with or as if with a seal
   "unsealed goods"; "the letter arrived unsealed"

1. Break the seal of
   "He unsealed the letter"

See also: open, opened

Type of: open, open up

Antonym: seal, sealed

Encyclopedia: Unsealed