Correct spelling for the English word "greatests" is [ɡɹˈe͡ɪtəsts], [ɡɹˈeɪtəsts], [ɡ_ɹ_ˈeɪ_t_ə_s_t_s] (IPA phonetic alphabet).
"Greatests" is an incorrect or non-standard variation of the word "greatest." The correct spelling is "greatest," which is an adjective that holds several meanings depending on the context it is used in.
One of the primary definitions of "greatest" refers to something or someone that surpasses all others in a particular characteristic or quality. It signifies the highest degree or level of excellence, importance, or magnitude in comparison to other similar entities. For example, one might refer to a legendary musician as the "greatest" of all time, highlighting their exceptional talent and influence in the industry.
Additionally, "greatest" can also imply the most significant or distinguished of its kind. This notion suggests that the entity in question has achieved notable achievements or holds an esteemed status within a specific category. For instance, one might describe a historical figure as the "greatest" leader due to their transformative impact on society or their outstanding accomplishments.
It is worth mentioning that "greatest" can also function as a superlative form of the adjective "great," meaning very good or remarkable. This usage denotes an enhanced level of excellence, superiority, or commendableness in comparison to other instances of the same attribute. For instance, someone may describe a movie as the "greatest" they have ever seen, indicating its outstanding quality or captivating content.
In conclusion, "greatest" is the correct form of the word, whereas "greatests" is not a valid term. "Greatest" signifies the highest level of excellence, significance, or distinction in comparison to other entities or instances.