Synonyms of undermined

1 Syllable
blunt, ruin, mine, dig, wreck, thwart, foil, wear, hurt, sap
2 Syllables
subvert, soften, threaten, sandbag, tunnel, cripple, impair
3 Syllables
disable, enfeeble, erode, corrode, torpedo, frustrate, undercut
4 Syllables
sabotage, attenuate, excavate, enervated, malfunctional, dysfunctional
5 Syllables
debilitate