Definition of disappreciation in English:

disappreciation

Pronunciation /ˌdɪsəˌpriːʃɪˈeɪʃn/ /ˌdɪsəˌpriːsɪˈeɪʃn/

noun

  • The action or fact of undervaluing or of regarding a person or thing as lacking in worth; lack of appreciation for a person or thing.

Origin

Mid 19th century. From dis- + appreciation.