insufficient

Definitions

Not enough in amount, degree, or quantity.

Inadequate for a particular purpose or need.

Examples

The evidence provided was insufficient to prove his guilt in court.

There is insufficient funding to complete the construction project on time.

The team lost the game because of their insufficient preparation and lack of focus.

Synonyms

inadequate deficient scant meager lacking short sparse

Antonyms

sufficient adequate ample plentiful abundant enough satisfactory