The word 'in-humanely' refers to an act that is done without any consideration for the feelings or suffering of others. Antonyms for this word would be 'humanely,' 'kindly,' 'compassionately,' and 'sympathetically.' These words suggest a sense of empathy and concern for the well-being of others, which is often lacking in inhumane actions. Other antonyms for 'in-humanely' include 'mercifully,' 'gently,' 'considerately,' 'thoughtfully,' and 'tenderly.' These words describe actions that are carried out with care, thoughtfulness, and sensitivity towards the living beings around us. In essence, inhumane actions and behaviors are the exact opposite of humane and compassionate actions, which are the underpinnings of a civilized society.