What does imponderous mean?
Imponderous means (obsolete) imponderable.
Pronunciation varies by accent · adjective
(obsolete) imponderable.
[…]they produce viſible and reall effects by imponderous and inviſible emiſſions[…]
Choose a synonym only when it preserves the intended meaning, tone, and grammar of the full sentence.
Imponderous means (obsolete) imponderable.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
[…]they produce viſible and reall effects by imponderous and inviſible emiſſions[…]
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