ZESTIEST

- superlative form of zesty: most zesty.

Z10 - E1 - S1 - T1 - I1 - E1 - S1 - T1 has 17 points in Scrabble!

Z10 - E1 - S1 - T1 - I1 - E1 - S1 - T1 has 17 points in Words with Friends!

Found in the OTCWL2014, SOWPODS, ENABLE, and WWF dictionaries