When someone lacks courage, determination, or spirit, they are said to have spunklessness. However, there are several synonyms for this word that can be used to describe this state of lacking enthusiasm. A few related words include listlessness, lethargy, apathy, feebleness, and lack of pep. Other synonyms that can be used to describe a person without spunk or motivation include sluggishness, weakness, timidity, and complacency. No matter what word you use, all of these synonyms imply a feeling of discontent or a lack of drive to achieve one's goals. Therefore, it is crucial to identify and address these feelings in oneself or others to foster growth and personal development.