Enter a clue or pattern or both:
The Clue
Tunnel builders (4 letter answer)
The Answer
ANTS
Tags
Notes
The answer ANTS is very common and appears about once every 48 puzzles.
Related Clues
Amazon ___
Formicidae
Insects
Pismires
Aardvark fare
Aardvark snacks
Aardvark's diet
Aardvark's dinner
Aardvarks' fare
Antenna users
Busy bodies
Carpenters, e.g.
Carpenters and harvesters
Colony creatures
Denizens of a formicary
Earthmovers of a kind
Echidna prey
Formicary denizens
Hill dwellers
Hill-dwellers
Line at a picnic?
"Marching" insects
Numbat's tidbits
Pantry raiders
Pesticide targets
Pests at picnics
Picnic hamperers
Picnic intruders
Picnic pests
Picnic raiders
Picnic spoilers
Red army?
Small soldiers
Social workers
Some queens
Tiny earthmovers
Wee workers
Chocolate-covered morsels
Creatures with tunnel vision?
Little subway makers
Ruiners of some picnics
Some marching bands
Sugar bowl marchers
Tiny hill-builders
Unwelcome visitors to one's home
Definition
ANT as a noun:
1. (ant, emmet, pismire) = social insect living in organized colonies; characteristically the males and fertile queen have wings during breeding season; wingless sterile females are the workers