ponderous

When you call Frankenstein's monster 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. adjective
    having great mass and weight and unwieldiness
    “a ponderous stone”
    “a ponderous burden”
    ponderous weapons”
    Synonyms:
    heavy
    of comparatively great physical weight or density
  2. adjective
    slow and laborious because of weight
    ponderous prehistoric beasts”
    “a ponderous yawn”
    synonyms: heavy, lumbering
    heavy-footed
    (of movement) lacking ease or lightness
  3. adjective
    labored and dull
    “a ponderous speech”
    Synonyms:
    uninteresting
    arousing no interest or attention or curiosity or excitement
Word Family
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