When something is not recognisable, it means that it cannot be identified or distinguished from other objects or entities. Synonyms for this phrase include unfamiliar, unidentifiable, indistinguishable, unrecognizable or obscure. Each of these words indicates that something is difficult to notice or define, either because it is too different from what is expected or because it has been purposely concealed. In some cases, these phrases can also indicate a sense of confusion or bewilderment, as when one is confronted with something new or unexpected. Ultimately, the choice of synonym will depend on the context in which it is being used, as well as the intended audience.