The Clue
Fill-ins, informally (4 letter answer)
The Answer
SUBS
Tags
Notes
The answer SUBS is seen occasionally, appearing about once every 850 puzzles.
Related Clues
Benchwarmers
Heros
Nonstarters
Sits in (for)
Bench warmers
Footlong sandwiches
Ocean prowlers
Replacements, for short
Stand-ins
Those on the bench
U-boats
Bench warmers, for short
Depth charge targets
Part-time tchrs.
Two-handed lunch orders
Definition
SUB as a noun:
1. (bomber, grinder, hero, hero sandwich, hoagie, hoagy, Cuban sandwich, Italian sandwich, poor boy, sub, submarine, submarine sandwich, torpedo, wedge, zep) = a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States
2. (submarine, pigboat, sub, U-boat) = a submersible warship usually armed with torpedoes
SUB as a verb:
1. (substitute, sub, stand in, fill in) = be a substitute; "The young teacher had to substitute for the sick colleague"; "The skim milk substitutes for cream--we are on a strict diet"