insufficient
Translation
insufficient, inadequate, not enough
Examples
There is insufficient evidence to prove it.
There is insufficient evidence to prove it.
His salary is insufficient for their needs.
His salary is insufficient for their needs.
Grammar Patterns
((for sth./sb.)) not enough for a particular purpose or person His salary is insufficient for their needs.
((to do sth.)) not enough to be able to do something There is insufficient evidence to prove it.
Similar Words
Synonyms: inadequate, lacking, deficient; Antonyms: sufficient, adequate, enough
Etymology
From the prefix 'in-' (not) + 'sufficient' (enough). Literally means 'not enough'.
Memory Tips
Remember that 'in-' often means 'not', so it's simply 'not sufficient'.