Find Antonyms

ultralight Antonyms

Opposite of ultralight

Pinning down the opposite of ultralight requires matching its exact sense, so the antonyms and opposite words below are paired with a clear adjective definition and ranked by contrast strength.
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• adjective (Context 1)

Extremely light in weight, especially when designed for portability in aviation, outdoor gear, or computing.

Usage Example

"The hikers packed heavy tents and sleeping bags to minimize the burden on their multi-day trek."

Strongest
heavy
Strong
weighty
leaden
hefty
cumbersome

Similar words to ultralight

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

featherlight
microlight
featherweight
lightweight
weightless
See all synonyms of ultralight

• Nearby Words

ultrahigh
ultraleftist
ultraliberal
ultralight
ultramarathon
ultramarathoner
ultramarine

Cite this Entry

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