Find Antonyms

silly Antonyms

Opposite of silly

Because the opposite of silly shifts with each meaning, the 20 antonyms and opposite words below are separated across 4 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Having or showing a lack of common sense or sound judgment; foolish or absurd.

Usage Example

"The children giggled at the clown's sensible antics during the birthday party."

Strongest
sensible
wise
rational
Strong
prudent
judicious
reasonable
level-headed
logical

• adjective (Context 2)

Trivial, trifling, or unworthy of serious consideration.

Usage Example

"They wasted the entire afternoon arguing over a serious misunderstanding."

Strongest
serious
important
significant
Strong
weighty
grave
momentous

• noun (Context 3)

A foolish or playful person, often used affectionately as a mild form of address (especially to a child).

Usage Example

"Put your shoes on the right feet, you little genius."

Strong
genius
sage

• adjective (Context 4)

Stunned, dazed, or incapacitated to the point of losing the ability to think clearly, typically as the result of a blow or extreme exertion.

Usage Example

"He knocked himself alert when he accidentally walked straight into the glass door."

Strongest
alert
clear-headed
Strong
lucid
coherent

Similar words to silly

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

foolish
dazed
trivial
stunned
petty
frivolous
absurd
trifling
See all synonyms of silly

Cite this Entry


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