Narrowing, Becoming Slimmer or Thinner
This page is the CodyCross answer for the clue below from Greece, Group 669, Puzzle 4 (Lesbos and Rhodes).
Question is: Narrowing, Becoming Slimmer or Thinner
and the answer is: TAPERING
Word Meaning:
TAPERING — present participle and gerund of taper
Definitions from Wiktionary.