COUNTLESSLY
Scrabble letter values: C3O1U1N1T1L1E1S1S1L1Y4 = 16
Definition
COUNTLESSLY is the adverb form of COUNTLESS.
adjective COUNTLESS: too numerous to be counted.
Synonyms of COUNTLESS: infinite, innumerable, innumerous, multitudinous, myriad, numberless, uncounted, unnumberable