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insufficient

adjective
 
 
/ˌɪn.səˈfɪʃ.ənt/

Definition

C1 not enough: insufficient information/time [+ to infinitive] There was insufficient money to fund the project.Scarce, inadequate and not enoughLacking things insufficiently
 
 
/-li/ adverb
I felt that the whole project was insufficiently researched.Scarce, inadequate and not enoughLacking things
insufficiency
 
 
/-ən.si/ noun [C or U]
Scarce, inadequate and not enoughLacking things
(Definition of insufficient adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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