Find Antonyms

lightweight Antonyms

Opposite of lightweight

Because the opposite of lightweight shifts with each meaning, the 10 antonyms and opposite words below are separated across 4 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Of less than average weight; made of thin or light material.

Usage Example

"She packed a heavyweight jacket for the cool evening breeze."

Strongest
heavyweight
heavy
Strong
weighty
bulky
ponderous

• noun (Context 2)

A weight class in boxing and other combat sports for competitors of relatively light weight (in professional boxing, typically up to 135 pounds or 61.2 kg), or an athlete who competes in this division.

Usage Example

"The young contender won the regional championship as a heavyweight before moving up a division."

Strongest
heavyweight

• adjective (Context 3)

Lacking seriousness, depth, or intellectual substance; trivial.

Usage Example

"Critics dismissed the summer comedy as a pleasant but profound entertainment."

Strongest
profound
serious
Strong
substantial
weighty
heavyweight

• noun (Context 4)

A person of little importance, influence, or intellectual stature.

Usage Example

"Several party elders viewed the inexperienced candidate as an intellectual heavyweight."

Strongest
heavyweight
Strong
vip
luminary

Similar words to lightweight

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

light
trivial
superficial
insubstantial
featherweight
nonentity
shallow
nobody
See all synonyms of lightweight

Cite this Entry


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