Antonyms for 'give lift' could include 'bring down', 'lower', 'demote', 'disparage', 'reject', or 'neglect'. 'Bring down' refers to lowering the position or level of something or someone, whereas 'lower' simply means to physically bring something down to a lower level. 'Demote' typically refers to removing someone from a higher position to a lower one. 'Disparage' means to speak negatively or to criticize. 'Reject' means to refuse to accept or agree to something. Lastly, 'neglect' means to fail to give attention or care. These antonyms highlight the opposite actions or reactions that one might take when faced with the task of giving a lift.