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sub (sandwich)

A sandwich served on a long roll of bread, typically six inches to several feet in length, filled with a variety of ingredients including meat, cheese, and vegetables. Primarily heard in US. This restaurant across the road from our office makes the best sub sandwich in the city. I've gotten to where I go there two or three times a week for lunch. I'm ordering a few four-foot subs for the party this weekend, so if you have any food allergies, let me know before tomorrow.
See also: sub

sub for (someone or something)

1. To act as a substitute for someone or something. ("Sub" is an abbreviation of "substitute.") I'm subbing for Eric for the next few days while he recovers in the hospital. Don't believe anyone who tries to convince you that low-fat cooking sprays can sub for real butter or olive oil and not taste any different.
2. To use, employ, or instruct someone or something to act as a substitute for someone or something else. In this usage, a noun or pronoun is used between "sub" and "for." With a healthy 30-point lead, the coach subbed the rookie for the star quarter back to give him some experience on the field. Let's try subbing an AC motor for the DC one we've been using and see if that improves the results.
See also: sub

sub rosa

Privately. This Latin phrase (meaning "under the rose") refers to the ancient use of the rose as a symbol of secrecy. No, I had no idea they were planning to reject the proposal. They must have reached that decision sub rosa.
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submarine (sandwich)

A sandwich served on a long roll of bread, typically six inches to several feet in length, filled with a variety of ingredients, usually some combination of meat, cheese, and vegetables. Often shortened to "sub" or "sub sandwich," and known by different names in different regions, such as "hoagie" and "hero." This restaurant across the road from our office makes the best submarine sandwich in the city.
See also: submarine

sub for someone or something

to substitute for someone or something. I have to sub for Roger at work this weekend. Will pliers sub for the wrench you wanted?
See also: sub

sub someone for (someone else)

 and sub something for something else
to substitute someone for someone else or something for something else. I will sub Chuck for Roger for this next play only. We will sub the red ones for the blue ones.
See also: sub


1. n. a substitute. I was a sub in the school system for a while.
2. in. to serve as a temporary replacement. I subbed for Mary in a couple of games.
3. n. a submarine. I was aboard a sub for twenty minutes—and that was at Disney World.
4. Go to submarine (sense 1).
5. n. a subscription, as to a magazine. I got a sub to a computer magazine for my birthday.


1. and sub and hoagy and torpedo and grinder and poor boy and hero n. a long sandwich containing many different foods. (Sometimes many feet long. It is cut into smaller segments for serving a group. Usually contains sliced meats and cheese, as well as tomatoes and onions. Terms vary depending on where you are in the country.) He ordered a submarine, but he couldn’t finish it.
2. n. a large marijuana cigarette. Look at the size of that sub!
3. n. [menstrual] tampon. My God! I’m out of submarines!


References in periodicals archive ?
Richland County School District One in Columbia, S.C., has used both traditional and high-tech recruiting tools to find subs. At teacher job fairs, administrators screen candidates who aren't able to work full-time.
"Finding subs is a real problem for any district--so give it to a professional," advises John D.
And the subs, as employees of the staffing agency benefit from access to health care, vacation time, a holiday bonus and a 401K.
Richland One's online application system includes questions on everything from educational qualifications to the applicant's take on how important subs are to public schools.
"It's lights, camera, action for the subs. They need to be able to think on their feet," adds Thome.
In Hillsborough County, future subs are separated into two programs--a three-day course for those with 60-plus college credit hours and a 10-day course for those with less.
As for classroom management, subs learn there are no easy answers.