Definition of insufficient in English:

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Pronunciation: /ˌinsəˈfiSH(ə)nt/


Not enough; inadequate: there was insufficient evidence to convict him
More example sentences
  • These causes might be anything from insufficient training to inadequate technology.
  • So far there has been insufficient evidence to link financially any of the visits to a particular member.
  • He was charged with murder in 1997 but the case was dropped due to insufficient evidence.
not enough, too little, too few, too small;
incomplete, restricted, limited
informal measly, pathetic, piddling


Late Middle English (in the sense 'incapable, incompetent'): via Old French from late Latin insufficient- 'not sufficing', from in- 'not' + Latin sufficere (see suffice).

For editors and proofreaders

Syllabification: in·suf·fi·cient

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