| Main Entry: | viper |
| Part of Speech: | noun |
| Definition: | snake |
Synonyms: |
adder, asp, cobra, copperhead, rattle, snake |
| Main Entry: | serpent |
| Part of Speech: | noun |
| Definition: | reptile |
Synonyms: |
basilisk, dragon, ophidian, snake, viper |
| Notes: | snake's name comes from Old High German and Norse words meaning 'crawler' or 'creeper,' from Latin meaning 'crawl'; serpent and snake mean the same thing, and reptile is the general word for the class that includes snakes |
| Main Entry: | snake in the grass |
| Part of Speech: | noun |
| Definition: | scoundrel |
Synonyms: |
Pandora's box, backstabber, creep, pitfall, rat, rat fink, skunk, snake, sneak, trap, villain, viper, weasel |
| Main Entry: | serpent |
| Part of Speech: | noun |
| Definition: | reptile |
Synonyms: |
asp, creature, ophidian, snake, viper |