Definition of toad
1
: any of numerous anuran amphibians (especially family Bufonidae) that are distinguished from the related frogs by being more terrestrial in habit though returning to water to lay their eggs, by having a build that is squatter and shorter with weaker and shorter hind limbs, and by having skin that is rough, dry, and warty rather than smooth and moist
2
: a contemptible person or thing
