The clue "Lunchbox flask" last appeared in the Eugene Sheffer King Feature Syndicate crossword on June 20, 2017. The correct answer for this puzzle is "THERMOS", a 7-letter word.
Solution THERMOS is 7 letters long. So far we haven´t got a solution of the same word length.
There is 1 solutions. The longest is THERMOS with 7 letters, and the shortest is THERMOS with 7 letters.
No, "LUNCHBOX FLASK" hasn´t seen a spike right now. Solvers are most interested in: Lacking, Faster, Heap praises on, Perception and Wild party.
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The solution is 7 letters long.