| Clue | Length | Answer |
|---|---|---|
| frontiers of knowledge | 6 letters | puzzle |
| ||
| frontiers of knowledge | 6 letters | riddle |
| ||
| frontiers of knowledge | 7 letters | unknown |
| ||
| frontiers of knowledge | 15 letters | terra-incognita |
Add your Clue & Answer to the crossword database now.
SubmitLikely related crossword puzzle clues
- Flummox
- Perplex
- Perplex, bewilder
- Monkey...., tall evergreen tree
- Jigsaw, crossword, anagram
- Your current occupation?
- Sudoku, for one
- Brain teaser
- Crossword
- there's one right in front of you
- Question or problem to test ingenuity
- You're doing one
- This is one
- Rebus, e.g.
- Source of confusion
- you're doing it!
- Riddle
- Mystery, riddle
- POSE
- Quandary
- Mystery
- mystify
- Embarrass
- Hobble
- Enigma
- Confuse
- Entangle
- Daze
- ambiguity
- Problem
- Paradox
- dumbfounder
- Confound
- perplexity at what you are working on
- ......-X
- Worry
- Why
- Difficult problem
- Chinese puzzle
- gordian knot
- Addle
- Ail
- Amaze
- apply the mind
- Baffle
- bafflement
- Baffling problem
- Bamboozle
- be the matter
- Beat
- Befog
- Befuddle
- Beset
- Bewilderment
- boggle
- Bother
- brain twister
- Buffalo
- Cap
- complicate matters
- ...... concern
- confoundment
- Confusion
- Consider
- Contemplate
- Conundrum
- crossword puzzle
- Crux
- Dark horse
- Decipher
- Dilemma
- Discommode
- Discomposure
- Disconcert
- disconcertedness
- disconcertion
- disconcertment
- Distract
- Distress
- Disturb
- Disturbance
- Dumbfound
- Embarrassment
- enigmatic question
- Figure out
- Fix
- Flabbergast
- Floor
- Floorer
- Foil
- Frontier
- frontiers of knowledge
- Frustrate
- fuddle
- Get
- hammer at
- hammer away at
- Harass
- Inconvenience
- Irk
- Jam
- jigsaw puzzle
- keep in suspense
- Knot
- Knotty point
- Lick
- matter of ignorance
- MAZE
- Mind-boggler
- Muddle
- Mull over
- muse on
- muse over
- Mystification
- N
- ...... node
- nodus
- Nonplus
- nut to crack
- oxymoron
- perplexed question
- Perplexity
- Perturb
- Perturbation
- Pickle
- Plague
- Plight
- Ponder [over]
- pons asinorum
- Poser
- Pother
- Predicament
- Put out
- put to it
- Puzzle out
- puzzle over
- Puzzlement
- Puzzler
- Question
- Question mark
- reflect over
- Scrape
- sealed book
- sixty four dollar question
- Solve
- Sort out
- Stew
- Stew (over)
- Stick
- Sticker
- Study
- Stumble
- Stump
- Stumper
- Stymie
- Teaser
- terra incognita
- the incalculable
- the strange
- the unfamiliar
- the unknowable
- '... the Unknown'
- Think hard
- Think through
- Throw
- Torment
- tough proposition
- Trouble
- unassuredness
- unexplored ground
- unexplored territory
- Unknown quantity
- Unlock
- Unravel
- Upset
- Vex
- vexed question
- Work out
- ...... Z
- For example, this game
- bewilder
- exchange, part 4
- game to test knowledge
- Crossword or jigsaw, eg
- A game, problem
- Enigma
- Mind twister
- Mind teaser
- Turandot's test
- Puzzle
- Conundrum
- It doesn't have an obviou
- Sphinx's offering
- Enigma of Cook not opening
- Coarse sieve
- Cryptic question
- Perforate with gunshot - poser
- Puzzle, cooker not opening
- Fill in puzzle
- Cryptic statement
- Dukes in anger posing cryptic question
- Puzzle, enigma with veiled meaning
- Linguistic teaser
- In Harry Potter, Voldemort's last name
- ....-me-ree, a nonsense puzzle
- Hotplate's no good? That's a mystery
- Sieve is something puzzling
- Mind-bending word problem
- Puzzling joke or conundrum
- What Edward Nygma poses to Batman
- Puzzle that might be draining
- "when is a door not a door?," e.g.
- Brain-teaser and coarse sieve
- Word puzzle
- Free, led to crack puzzle
- The puzzle of the sieve?
- Tricky question puts bishop in anger
- Brain teaser
- trick question
- Puzzling fact
- Puzzling thing
- Puzzling problem
- It doesn't have an obvious answer
- Puzzling question
- A word game using double meanings
- Brain stumper
- "What has four wheels and flies?"
- What Oedipus solved
- Nelson ...... of songdom
- Pierce with many holes
- Bandleader Nelson
- Poser
- question for puzzle solvers
- Poor Witticism
- Puzzle, conundrum
- Anger involving theologian's conundrum
- A question that's full of holes?
- Filter problem
- Remove coarser elements from puzzle
- Sieve
- The sphinx asked this type of question
- sphinx's conundrum?
- spread throughout puzzle
- strain to suggest a brain-teaser
- the problem with pepper
- hoffa's apt middle name
- sift out a puzzling problem
- the puzzle takes some sifting
- conundrum encountered in kitchen
- large meshed sieve
- Mind teaser from the Sphinx
- Brainteaser
- brain-teaser question
- Puzzle that's full of holes?
- the puzzle that used to strain
- puzzle involving unusual red lid
- Verbal brain teaser
- Puzzling matter
- sieve poses conundrum
- ......-X
- Work out
- Work
- Winnow
- Why
- Weave
- weaving
- Web
- Weft
- Large coarse sieve
- Baffling question
- Verbal puzzle
- Ask a brainteaser
- Tom ........, Voldemort's real name
- Paradox
- need explanation
- Needle
- Net
- Netting
- ...... Network
- Nick
- Nonplus
- not make sense
- not penetrate
- Notch
- open the lock
- pass comprehension
- Pelt
- .. pencil
- Penetrate
- ...... Pepper
- Percolator
- Perforate
- Permeate
- Perplex
- Perplexity
- Perturbation
- Pervade
- pick off
- Pick out
- Pickle
- Pierce
- Pink
- Pistol
- plexure
- Plexus
- Plight
- Plug
- Plumb
- Point
- poleax
- porosity
- porousness
- Pot
- Pother
- potshoot
- potshot
- Predicament
- Prick
- Prime
- Print ...
- Problem
- "Psych
- Psych out
- Punch
- punctuate
- Puncture
- Purifier
- Put aside
- Puzzle out
- Puzzlement
- Quandary
- Quarantine
- Question
- Raddle
- Rank
- Ravel
- ravel out
- Ream
- Ream out
- rebus
- refiner
- Refinery
- Resolve
- reticle
- Reticulation
- Reticule
- reticulum
- Rocker
- Run through
- Scar
- scarify
- Score
- Scotch ......
- Scrape
- Scratch
- Screen
- Screening
- Seal
- sealed book
- Seam
- Seclude
- segregate
- Separate
- Set apart
- Set aside
- "Shoot!"
- Shoot at
- Shoot down
- shoot to death
- shotgun
- sievelikeness
- Sift
- Sifter
- Silence
- Size
- Skewer
- Snipe
- Solve
- Sort
- Sort out
- sorter
- speak in tongues
- Spear
- Speck
- Speckle
- Spike
- Spit
- Splotch
- Sponge
- Spot
- Spread
- Stab
- stab to death
- Stain
- Stamp
- Stew
- Stick
- Stigmatize
- ...... Stone
- stone to death
- Strainer
- ...... streak
- Striate
- Strike
- strike dead
- Stripe
- Subordinate
- Take a potshot
- talk double Dutch
- Tap
- tattoo
- terra incognita
- Texture
- the incalculable
- the strange
- the unfamiliar
- the unknowable
- '... the Unknown'
- Thrash
- Thresh
- Tick-......
- Tick off
- ... tissue
- Torpedo
- Trace
- tracery
- Transfix
- transpierce
- Trellis
- trelliswork
- trepan
- trephine
- unassuredness
- UNDERLINE
- Underscore
- Undo
- unexplored ground
- unexplored territory
- Unknown quantity
- Unlock
- Unravel
- unriddle
- Unscramble
- Untangle
- Untwist
- unweave
- Upset
- Vaporize
- Wattle
- webbing
- webwork
- Wicker
- Wickerwork
- winnowing basket
- winnowing fan
- winnowing machine
- ...... Z
- Chinese puzzle
- anagram
- Answer
- Arabesque
- assort
- Auger
- Babble
- Baffle
- bafflement
- basketry
- Basketwork
- be Greek to
- be beyond one
- be too deep
- beat one