Answer: teensiest

AnswerCrossword Clue
TEENSIESTLeast bit
TEENSIESTInsignificant to the max
TEENSIESTMost insignificant
TEENSIESTSmallest
TEENSIESTMost minuscule
TEENSIESTHardest to make out
teensiestTEENSY, tiny (very small)
teensiestTiny