undervalued russian

• занижа́ться

  to be underestimated, to be undervalued

  to be lowered, to be reduced

• зани́зивший

  having lowered, having underestimated, having undervalued

• занижа́емый

  underestimated, undervalued, being lowered

• недооце́ниваемый

  undervalued, underestimated

• недооценённый

  underrated, undervalued