sub

B1 · Intermediate Countable noun

n. a ship that can travel underwater.

n. A submarine; a naval vessel capable of independent operation underwater.

“The crew spent three months living on the sub without seeing daylight.”

“The sonar technician detected a faint signal that suggested an enemy sub was patrolling the perimeter of the bay.”

B1 · Intermediate Countable noun Cooking American English · Informal

n. a long bread roll filled with meat, cheese, and vegetables.

n. A submarine sandwich; a large sandwich consisting of a long roll split lengthwise and filled with various ingredients.

“I grabbed a turkey sub from the deli for lunch.”

“The local deli is famous for its massive Italian sub, which is packed with four different types of cured meat.”

B2 · Upper Intermediate Countable noun British English · Informal

n. a regular payment you make to a club or for a service like a magazine or website.

n. A subscription; a formal agreement to receive a service or support an organization through periodic payments.

“I need to pay my annual sub for the tennis club this week.”

“The magazine's digital subs have increased significantly since they introduced the new mobile application.”

B2 · Upper Intermediate Plural noun Informal

n. the text at the bottom of a screen that shows what people are saying.

n. A subtitle; text displayed at the bottom of a cinema or television screen that translates or transcribes the dialogue.

“I usually watch foreign films with the subs turned on.”

“The fan-made subs for the anime were much more accurate than the official translation provided by the studio.”

B2 · Upper Intermediate Countable noun Computing Slang

n. a specific area or community on the website Reddit.

n. A subreddit; a specific online forum or community dedicated to a particular topic on the social news website Reddit.

“There is a great sub for people who love gardening and sharing tips.”

“The moderator of the sub had to ban several users for violating the community's strict posting guidelines.”

B1 · Intermediate Informal

v. to take someone's place or to put a new person into a game.

v. To act as a substitute or to replace one person with another, particularly in a professional or athletic context.

“Can you sub for me at the meeting tomorrow afternoon?”

“The manager decided to sub the exhausted striker in the final minutes of the championship match.”

B2 · Upper Intermediate Computing Slang

v. to sign up for a service or follow a creator online.

v. To subscribe to a channel, service, or publication, especially in the context of digital content creators.

“Don't forget to like this video and sub to my channel.”

“The YouTuber encouraged his viewers to sub so they wouldn't miss the upcoming documentary series.”