The term SUB has many meanings, including ASSISTANT (9 letters), SUBORDINATE (11 letters), PROXY (5 letters), BELOW (5 letters), UNDER (5 letters), HOAGIE (6 letters), HERO (4 letters), ALTERNATE (9 letters), TEMP (4 letters), ALT (3 letters), ROSA (4 letters), ZERO (4 letters), sitin (5 letters), uboat (5 letters), standin (7 letters), and herosandwich (12 letters). An ASSISTANT is someone who helps another person with their work. A SUBORDINATE is someone who is lower in rank than another person. A PROXY is someone who acts on behalf of another person. BELOW, UNDER, and beneath all mean lower than something else. A HOAGIE is a type of sandwich. A HERO is a person who is admired for their courage or achievements. An ALTERNATE is a substitute or replacement. A TEMP is a temporary worker. ALT is short for ALTERNATE. ROSA is a type of sandwich. ZERO is the number before one. Sitin is a form of protest. Uboat is a type of submarine. Standin is a person who stands in for another person. A herosandwich is a type of sandwich.