Weak Hiss That Ends Something Unspectacularly

This page is the CodyCross answer for the clue below from Train Travel, Group 703, Puzzle 3 (Electric Traction).

Question is: Weak Hiss That Ends Something Unspectacularly

and the answer is: FIZZLE

Word Meaning:

FIZZLE — To sputter or hiss.

Definitions from Wiktionary.