Find Antonyms
slightness Antonyms
Opposite of slightness
Because the opposite of slightness shifts with each meaning, the 18 antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast strength.
• noun (Context 1)
The state or quality of being small in degree, amount, or extent.
Usage Example
"The immensity of the temperature change made it nearly impossible to detect without specialized instruments."
Strongest
immensity
Strong
enormity
greatness
vastness
magnitude
abundance
• noun (Context 2)
The quality of having a slender, delicate, or fragile physical build.
Usage Example
"Despite the stoutness of his frame, the young gymnast possessed remarkable upper-body strength."
Strongest
stoutness
heaviness
Strong
bulkiness
robustness
sturdiness
corpulence
• noun (Context 3)
The quality of lacking depth, substance, or significance; superficiality or triviality.
Usage Example
"Critics noted the profundity of the plot, though they praised the film's visual cinematography."
Strongest
profundity
significance
Strong
importance
depth
substance
weightiness
Similar words to slightness
Words similar to slightness shift depending on context. Common synonyms include:
slenderness
triviality
slimness
smallness
insignificance
flimsiness
thinness
tenuousness
Cite this Entry
Wordmom. (2026). Antonyms for Slightness. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/slightness