U₁N₁D₂E₁R₁W₄H₄E₁L₁M₃

19 points

UNDERWHELM is validvalid

[v UNDERWHELMED, UNDERWHELMING, UNDERWHELMS] : UNDERWHELMINGLY [adv]

143,634 of 196,601 in NWL2023·also valid in CSW24

to fail to impress [v -ED, -ING, -S]

261,250 of 280,887 in CSW24·also valid in NWL2023