(marketing) Initialism of unique selling proposition/selling point. / (computing, databases) Initialism of user stored procedure.

(US, Navy) A naval oil tanker with the ability to perform underway replenishment of fuel oil or ship oil to ships of the fleet.

A subsequent dose of a medicine.

Without a date imprinted, assigned, or associated. / Having no date—a meeting with a lover or potential lover. / Timeless; immortal / Without a start; immemorial / (archaic) Without an end; endless