The phrase "have lost" can be replaced with numerous other words and phrases depending on the context. For example, in a sporting context, "have lost" may be replaced with "have been defeated" or "have been outplayed". When referring to misplaced items, "have lost" may be substituted with "have misplaced" or "have mislaid". When discussing a feeling of disconnection or disorientation, "have lost" can be replaced with "have become disoriented" or "have become disconnected". Other possible synonyms for "have lost" may include "have suffered a loss", "have been deprived of", or "have been robbed of". The choice of synonyms depends on the intended tone and context of the writing or conversation.