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

Examples Sentences

Recent Examples of sub

Noun

With Blackstone’s backing, Jersey Mike’s is poised to expand internationally, enhance its technology, and continue delivering high-quality subs. —Francisco Velasquez, Quartz, 25 Nov. 2024

Sheetz On Monday, veterans and active military receive a free half-turkey sub and regular-size fountain drink at any Sheetz location. —Chad Murphy, The Enquirer, 10 Nov. 2024

Verb

During the previous five-year period, North American subs more-than doubled whereas APAC subs were up 57%. —Max Goldbart, Deadline, 9 Dec. 2024

General Motors’ Cruise robotaxi company, for example, currently subs in remote employees to help steer vehicles out of difficult-to-compute situations. —Andrew Paul, Popular Science, 27 Nov. 2024