The phrase 'lending a hand' is often used to describe someone offering assistance or help to another person. Antonyms of this phrase include hindering, obstructing, impeding, or hampering, which all suggest actions that negatively impact someone else's efforts. Alternatively, antonyms could include ignoring, neglecting or abandoning. These words imply a lack of positive action, demonstrating a distinct lack of concern or compassion for others. While it is important to use positive language to promote kindness and cooperation, acknowledging antonyms of positive phrases can also help to identify negative behavior patterns and develop more positive habits instead.