Synonyms of sub

sub 1 of 3

noun (1)

as in submarine

a large sandwich on a long split roll

we shared a tuna sub at lunch

Synonyms & Similar Words

• submarine
• hero
• torpedo
• hoagie
• poor boy
• grinder
• hoagy
• Italian sandwich
• po'boy
• Cuban sandwich

sub

2 of 3

noun (2)

ˈsəb 

as in substitute

a person or thing that takes the place of another

we had a sub in English today, so we didn't get our test results back

Synonyms & Similar Words

• substitute
• replacement
• backup
• surrogate
• assistant
• stand-in
• cover
• reserve
• relief
• proxy
• pinch hitter
• designated hitter
• fill-in
• locum tenens
• alternate
• deputy
• second
• delegate
• factor
• agent
• makeshift
• rep
• representative
• commissary
• apology
• attorney
• assignee
• successor
• stopgap
• procurator
• envoy
• understudy
• reliever
• superseder

sub

3 of 3

verb

as in to substitute

to serve as a replacement usually for a time only

the weekend anchor is subbing for the station's main anchor all this week

she subbed for middle school teachers in the district as needed

Synonyms & Similar Words

• substitute
• spell
• cover
• stand in
• take over
• fill in
• step in
• pinch-hit
• double (as)
• relieve
• understudy

Example Sentences

Recent Examples of sub

Noun

Yellowstone is a key attraction for subs, but Sarhan highlights the wider selection from the Sheridan stable. —Stewart Clarke, Deadline, 4 Mar. 2025

In Memphis, Thibodeau’s first sub after inserting Robinson was taking out Anunoby for McBride, creating a lineup of Robinson, Bridges, Hart, McBride, and Brunson. —Kristian Winfield, New York Daily News, 2 Mar. 2025

Verb

Occasionally, Mangione would sub in for his older cousin Michael, who Blattermann says looks like Mangione’s twin. —Lorena O'Neil, Rolling Stone, 9 Mar. 2025

Brooklyn fell behind 21-7 out the gate on Monday, prompting head coach Jordi Fernandez to sub out all five starters. —C.j. Holmes, New York Daily News, 25 Feb. 2025