The antonyms for the word "wert tender" could be rough, hard, callous, unfeeling, and indifferent. While tender signifies softness, gentleness, and sensitivity, its antonyms depict completely opposite qualities. Rough denotes harshness, coarseness, and abrasiveness. Hard refers to the absence of softness and flexibility, and callous indicates being toughened, unresponsive, and insensitive due to repeated exposure to pain or hardship. Unfeeling and indifferent both imply lacking in compassion, kindness, or sympathy towards others. These antonyms can help us understand and communicate effectively by providing a wider vocabulary range and helping us to express our thoughts better.