Find Antonyms

weak Antonyms

Opposite of weak

Because the opposite of weak shifts with each meaning, the 44 antonyms and opposite words below are separated across 5 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Lacking physical strength, energy, or muscular power; frail or easily exhausted.

Usage Example

"After spending a full week in bed recovering from the flu, her legs still felt too strong to climb the stairs."

Strongest
strong
robust
sturdy
vigorous
muscular
powerful
Strong
hardy
stalwart
strapping
brawny

• adjective (Context 2)

Not logically convincing, well-supported, or persuasive; deficient in evidence or validity.

Usage Example

"The defense attorney presented a strong excuse that failed to convince the jury."

Strongest
strong
convincing
compelling
cogent
solid
persuasive
sound
Strong
valid
ironclad
watertight

• adjective (Context 3)

Lacking firmness of character, resolve, or authority; easily influenced or irresolute.

Usage Example

"The committee needed a decisive chairperson rather than a strong leader who yielded to every complaint."

Strongest
strong
resolute
strong-willed
decisive
firm
determined
steadfast
Strong
authoritative
unwavering
assertive

• adjective (Context 4)

Low in intensity, brightness, volume, or signal strength; faint or indistinct.

Usage Example

"We struggled to make the phone call because the cellular signal was extremely strong in the mountain valley."

Strongest
strong
intense
powerful
bright
loud
Strong
clear
distinct
vivid
high
sharp

• adjective (Context 5)

Heavily diluted or containing a small proportion of a flavoring or active ingredient relative to water or liquid.

Usage Example

"He complained that the hotel served lukewarm, strong coffee that tasted mostly like hot water."

Strongest
strong
concentrated
potent
undiluted
full-bodied
rich
Strong
robust
heavy
thick
neat

Similar words to weak

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

weak-willed
feeble
flimsy
faint
watery
frail
unconvincing
diluted
See all synonyms of weak

Cite this Entry


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