postal
Postal (adj) means having to do with the mail system — collecting, sorting, and delivering letters and parcels. Example: “Postal charges rise with the weight of the parcel.”
How to use postal
Learner’s notesIn plain EnglishRelating to the mail system — or, informally, snapping with rage.
The 'go postal' meaning is slang and comes from a string of 1980s-90s workplace incidents involving postal workers; use it carefully as it references real violence.
Fill the gap
Can you complete this real example?
_____ charges rise with the weight of the parcel.
Etymology
From post (mail) plus -al, shaped on the same pattern as the French word postal.