The word that can substitute the given group of words "Containing more words than necessary" is "Verbose."

Explanation of the options:

☀ Revenant: Revenant refers to a person who has returned from the dead or a ghost. It does not relate to the meaning of "containing more words than necessary."

☀ Verbose: Verbose means using or containing more words than necessary. It is the appropriate choice for the given meaning.

☀ Laconic: Laconic means using very few words, being concise, or expressing oneself in a brief and to-the-point manner. It has the opposite meaning of the given group of words.

☀ Platonic: Platonic refers to a non-sexual or non-romantic relationship or love, based on intellectual or spiritual connection rather than physical attraction. It does not relate to the meaning of "containing more words than necessary."