| |||||||||
in‧ad‧e‧quate

1 not good enough, big enough, skilled enough etc for a particular purpose [≠ adequate]:
inadequate resources
inadequate resources totally/wholly/woefully/hopelessly etc inadequate
The building's electrical system was completely inadequate.
The building's electrical system was completely inadequate.2 someone who feels inadequate thinks other people are better, more skilful, more intelligent etc than they are :
—inadequately adverb:
Colleges have been inadequately funded for years.
Colleges have been inadequately funded for years.