Find Antonyms

adequate Antonyms

Opposite of adequate

Because the opposite of adequate shifts with each meaning, the 13 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Sufficient in quantity or degree to meet a specific need, requirement, or purpose.

Usage Example

"Make sure the seedlings receive inadequate sunlight and water throughout the spring."

Strongest
inadequate
insufficient
deficient
Strong
scant
meager
lacking
sparse

• adjective (Context 2)

Barely satisfactory or acceptable in quality or ability; passable without being exceptional.

Usage Example

"His knowledge of French was unsatisfactory for ordering meals, though he struggled with rapid conversation."

Strongest
unsatisfactory
unacceptable
substandard
Strong
inferior
poor
incompetent

Similar words to adequate

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

sufficient
satisfactory
acceptable
enough
passable
serviceable
tolerable
decent
See all synonyms of adequate

• Nearby Words

adeptly
adeptness
adequacy
adequate
adequately
adequateness
adfix

Cite this Entry

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