"Free from" is a common phrase used to describe something that is without a particular attribute or characteristic. There are many synonyms that can be used depending on the context. For example, "devoid of" or "lacking in" can be used to describe the absence of something. "Clear of" or "unblemished by" can be used to describe the absence of a stain or mark. "Exempt from" or "immune to" can be used to describe something that is free from obligation or something that cannot be affected by a particular thing. Overall, there are many synonyms that can be used to replace "free from" depending on the specific meaning that you want to convey.