Underuse (something).Sincerity and ernestitude are underutilized....
Illustrations in Ph.D. theses are underutilized resources.
But the technique's potential was underutilized, I felt.
Derivatives
underutilization
/ˌʌndəjuːtɪlʌɪˈzeɪʃ(ə)n /noun...
As you are aware, perhaps the greatest problems with the quality of health care is both the over- and underutilization of resources.
There is overcrowding in some institutions and underutilisation of others depending upon the level of infrastructure, drug availability, physical access and the attitude of personnel.
Key challenges are to reduce the persistent underutilisation of labour resources, to boost productivity growth and to bolster the area's resilience against shocks.