English

Adjective

flabagasted ‎(comparative more flabagasted, superlative most flabagasted)

1. Obsolete form of flabbergasted.^[1]

Verb

flabagasted

1. (obsolete) simple past tense of flabagast

References

1. ↑ Green, Jonathan (2005) Cassell's Dictionary of Slang, Sterling Publishing Company, page 511