The phrase "being pins and needles" refers to a state of nervousness, anxiety, or excitement. Antonyms for this expression would be feelings of calmness, relaxation, and contentment. If someone is not feeling "pins and needles," they might be at ease or at peace. They might be comfortable or even carefree. Other antonyms for this phrase might include words like tranquility, serenity, or composure. It is important to recognize antonyms for different emotions and sensations as they can help to create balance and clarity in communication and emotional expression.