Stupefactive
Word Structure
WordHub has a local lexical record for “Stupefactive” with pronunciation and root analysis.
stup
stunned, amazed
Forms: stup
fact
to make, to do, to build, to cause, to produce
Forms: fac, fact, feas, feat, fect, feit
-ive
pertaining to, tending to; doing, serving to do -iff: a person who holds a certain official position or performs a specific duty
Forms: ive