post-free
1. [ adverb ] having the postage paid by the sender
Synonyms: post-paid
Examples:

"I will send it post-paid"

2. [ adverb ] having the postage paid by the sender
Synonyms: post-paid
Examples:

"I will send it post-paid"

3. [ adjective ] postpaid
Related terms: UK paid
4. [ adjective ] (British) postpaid
Related terms: paid
Similar spelling:   postfix