ponderous

When you call Frankenstein ponderous, it's not because he likes to ponder the great questions of life. It's because he moves like a Mack truck, only slower and less gracefully.

Ponderous also describes a person's manner, or their manner of speaking. If it does, this is a person you will want to avoid. They're solemn, speak slowly about things that are boring, and get to the punchline of a joke about seven years after anyone with half a brain has figured it out for themselves.

Definitions of ponderous
1

adj having great mass and weight and unwieldiness

“a ponderous stone”
“a ponderous burden”
ponderous weapons”
Synonyms:
heavy
of comparatively great physical weight or density

adj slow and laborious because of weight

ponderous prehistoric beasts”
“a ponderous yawn”
Synonyms:
heavy, lumbering
heavy-footed
(of movement) lacking ease or lightness

adj labored and dull

“a ponderous speech”
Synonyms:
uninteresting
arousing no interest or attention or curiosity or excitement

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