- a submarine.
- a substitute: We've got a sub in English this week because our teacher's home with the flu.
- a submarine sandwich.
- a submissive in a BDSM sexual encounter or relationship.
- a subcontractor.
- a sublieutenant.
- a subordinate.
- a subaltern.
- an advance against one's wages, especially one granted as a subsistence allowance.
- a substratum.
- to act as a substitute for another.
- to act as the submissive partner in a BDSM sexual encounter or relationship.
- to coat (a film or plate) with a substratum.
- supplemental unemployment benefits.
- a prefix occurring originally in loanwords from Latin (subject; subtract; subvert; subsidy); on this model, freely attached to elements of any origin and used with the meaning “under,” “below,” “beneath” (subalpine; substratum), “slightly,” “imperfectly,” “nearly” (subcolumnar; subtropical), “secondary,” “subordinate” (subcommittee; subplot).
- Chemistry.
- a prefix indicating a basic compound: subacetate; subcarbonate; subnitrate.
- a prefix indicating that the element is present in a relatively small proportion, i.e., in a low oxidation state: subchloride; suboxide.
- subordinated.
- subscription.
- substitute.
- suburb.
- suburban.
- subway.
- short for several words beginning with sub-
- an advance payment of wages or salary
- to serve as a substitute
- to act as a substitute (for)
- to grant or receive (an advance payment of wages or salary)
- (tr) informal short for subedit
- to apply a substratum to (a film or plate base)
- situated under or beneath
- secondary in rank; subordinate
- falling short of; less than or imperfectly
- forming a subdivision or subordinate part of a whole
- (in chemistry)
- indicating that a compound contains a relatively small proportion of a specified element
- indicating that a salt is basic salt
- subeditor
- subito (in music)
- subscription
- substitute
