i Register
In some senses, postal is marked as slang, US. Watch for register when choosing this word.
ADJ.
all, commercial, international, new, shut, trying
The new postal service started delivering packages on Sundays last month.
VERB + POSTAL
disrupted, know, lives, strike, transfer, vote, work, worked
The postal strike disrupted mail delivery across the entire country for three weeks.
POSTAL + NOUN
ballot, industry, sunday, worker
My grandmother always votes by postal ballot because she finds it more convenient than going to the polling station.
PREP.
in, in, on
I sent the package in the postal service and it arrived within a week.
ADV.
also
The company also offers postal delivery as an alternative to express shipping.