"Tough love" is a phrase used to describe a discipline approach that involves imposing harsh consequences or setting firm limits on a person's behavior in order to help them learn and grow. There are several other terms that can be used as synonyms for "tough love," including "firmness," "toughness," "strictness," "rigor," "sternness," and "hardheadedness." Other phrases that express similar ideas include "no-nonsense," "tough-minded," and "uncompromising." While "tough love" can be effective in helping people overcome difficulties and improve their behavior, it should always be used with care and sensitivity to avoid causing harm or damaging relationships.