The term "handwriting wall" generally refers to a situation where one's handwriting is so bad that it appears as if it was written on a wall. Antonym for handwriting wall can be "caligraphy", which means beautiful handwriting. Another antonym is "neat handwriting". Having neat handwriting means that someone's handwriting is clean, easy to read, and aesthetically pleasing. Another antonym can be "legible handwriting". Legible handwriting is clear, easy to read, and understandable. Lastly, "fluent handwriting" can be an antonym for handwriting wall. Fluent handwriting denotes writing with ease and smoothness, without getting bogged down with stuttering or hesitation.