| Word | Definitions | Synonyms |
|---|---|---|
| dumfounded | (adjective) as if struck dumb with astonishment and surprise | Synonyms: dumbfounded, dumbstricken, dumbstruck, flabbergasted, stupefied, thunderstruck |
| dumfounding | (adjective) bewildering or striking dumb with wonder | Synonyms: astounding, dumbfounding |