- Sub is short for submarine, subscription, substitute or a submarine sandwich.
- An example of a sub is an underwater boat used by the Navy.
- An example of a sub is your annual subscription to Glamour magazine.
- An example of a sub is the teacher that comes in when the regular teacher is out sick.
- An example of a sub is the sandwich you can get at a lunch take-out counter.
- To sub is to substitute, to use someone or something instead of the person or object normally used.
An example of sub is to put in a different player when a player gets injured.
sub definition by Webster's New World
- submarine sandwich
- under, beneath, below, from beneath: submarine, subsolar
- lower in rank, position, or importance than; inferior or subordinate to: subaltern, subhead
- to a lesser degree than, somewhat, slightly: subhuman, subaquatic
- so as to form a division into smaller or less important parts: subdivide
- forming such a division: subspecies
- near, bordering on: subalpine
- nearly, almost: subteen
- with less than the normal amount of (the specified substance): suboxide
- basic: subcarbonate
Origin: ; from Classical Latin sub, under, below: see up
sub definition by American Heritage Dictionary
- a. suburbb. suburban
- Below; under; beneath: subsoil.
- a. Subordinate; secondary: subplot.b. Subdivision: subregion.
- Less than completely or normally; nearly; almost: subhuman.
Origin: Middle English, from Latin, from sub, under; see upo in Indo-European roots.
sub - Computer Definition
Used in place of a character that is known to be invalid, i.e., in error. Also used to indicate a character used in place of one that cannot be represented on a given device, e.g., e may be used in place of (epsilon) or d may be used in place of (delta). 14.
sub - Medical Definition
- Below; under; beneath: subcutaneous.
- Subordinate; secondary: subinfection.
- Subdivision: subkingdom.
- Less than completely or normally; nearly; almost: subfertility.