insufficient
AdjectiveUS[in-suh-fish-uhnt]/ˌɪnsəˈfɪʃənt/4 syllables
Synonyms:
deficient
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Webster's Dictionary (1913)
In′suf·fi′cient adjective
Origin: L. insufficiens, -entis. See In- not, and Sufficient.
1. Not sufficient; not enough; inadequate to any need, use, or purpose; as, the provisions are insufficient in quantity, and defective in quality. “Insufficient for His praise.” William Cowper
2. Wanting in strength, power, ability, capacity, or skill; incompetent; incapable; unfit; as, a person insufficient to discharge the duties of an office.
Synonyms: Inadequate; scanty; incommensurate; unequal; unfit; incompetent; incapable; inefficient.
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54