Stretch Armstrong Was the Most Flexible, or This

This page is the CodyCross answer for the clue below from Beach Bliss, Group 2041, Puzzle 2 (Lounge Chair).

Question is: Stretch Armstrong Was the Most Flexible, or This

and the answer is: BENDIEST

Word Meaning:

BENDIEST — superlative form of bendy: most bendy

Definitions from Wiktionary.