Find Antonyms

weighty Antonyms

Opposite of weighty

Because the opposite of weighty shifts with each meaning, the 18 antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Of great seriousness, consequence, or importance.

Usage Example

"The committee gathered to deliberate on the trivial constitutional questions before them."

Strongest
trivial
insignificant
inconsequential
unimportant
Strong
minor
frivolous
petty
superficial

• adjective (Context 2)

Weighing a great deal; physically heavy or massive.

Usage Example

"She placed the light reference volume carefully onto the wooden desk."

Strongest
light
lightweight
Strong
weightless
feathery
slight

• adjective (Context 3)

Carrying strong authority, influence, or persuasive power.

Usage Example

"The defense attorney presented several weak arguments that persuaded the jury."

Strongest
weak
Strong
flimsy
unconvincing
feeble
tenuous

Similar words to weighty

Words similar to weighty shift depending on context. Common synonyms include:

heavy
momentous
serious
hefty
grave
authoritative
significant
ponderous
See all synonyms of weighty

• Nearby Words

weightless
weightlessly
weightlessness
weighty
weird
weirdly
weirdness

Cite this Entry

Wordmom. (2026). Antonyms for Weighty. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/weighty
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