adjective

insufficient

insufficient, inadequate

There is insufficient evidence to prove his guilt.

There is insufficient evidence to prove his guilt.

Our food supply is insufficient for the winter.

Our food supply is insufficient for the winter.

((for sth./sb.)) not enough for something/somebody The funds are insufficient for the project.

((to do sth.)) not enough to do something His strength was insufficient to lift the box.

Synonyms: inadequate, lacking; Antonyms: sufficient, adequate

From the prefix 'in-' (not) + 'sufficient' (enough). Literally means 'not enough'.

Remember that 'in-' often means 'not', so this word breaks down to 'not sufficient'.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.