Enfeebler refers to something or someone that weakens or debilitates another thing or person. Some synonyms for enfeebler include debilitator, underminer, underminer, sapper, and enervator. The term 'debilitator' implies a weakening of strength or power, while 'underminer' hints at subversive or destructive action. Similarly, 'enervator' suggests a draining of energy or vitality. A 'sapper' often refers to a military action in which a fortified position is weakened from below. Alternatively, other synonyms for enfeebler include 'weaker', 'wane', 'attenuate', 'deteriorate', 'impair', and 'diminish'. All these synonyms indicate a reduction in strength, effectiveness, or other quality.