The Collaborative International Dictionary of English v.0.48:
Froggy \Frog"gy\, a.
Abounding in frogs. --Sherwood.
[1913 Webster]
Moby Thesaurus II by Grady Ward, 1.0:
32 Moby Thesaurus words for "froggy":
amphibian, anguine, batrachian, colubriform, crawling, creeping,
crocodilian, lizardlike, ophidian, repent, reptant, reptile,
reptilelike, reptilian, reptiliform, reptiloid, saurian,
serpentiform, serpentile, serpentine, serpentlike, serpentoid,
slithering, snakelike, snaky, toadish, viperiform, viperish,
viperlike, viperoid, viperous, vipery