"unsealed" in the verb sense
1. unseal
break the seal of
"He unsealed the letter"
"unsealed" in the adjective sense
1. unsealed, uncertain
not established or confirmed
"his doom is as yet unsealed"
2. unsealed
not closed or secured with or as if with a seal
"unsealed goods"
"the letter arrived unsealed"
Source: WordNet® (An amazing lexical database of English)
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