The completed sequence can be "a g a" followed by "g," creating the word "gaga," which can refer to being overly enthusiastic or silly. Another possibility is filling in the blank with an "e" to form the word "age." The context of the question could lead to different interpretations, so clarification may be needed for an exact answer.
Fan is short for the word fanatic. A fanatic is someone overly enthusiastic with much devotion for something. At a ballpark you will see the patrons screaming and yelling (enthusiastic) and strongly rooting for their team to win no matter how good or bad the team may be (devotion).
"Spiritless" is the opposite of enthusiastic.
The head cheerleader was very enthusiastic.
My friend is very enthusiastic!
Enthusiastic
To say the word enthusiastic in French you say the word enthousiaste. In the Italian language this word is said as entusiasta.
The word 'enthusiastically' is the adverb form of the adjective 'enthusiastic'.The abstract noun related to the adjective 'enthusiastic' is enthusiasm.
overly complicated = complex
Enthusiastic employees outproduce and outperform employees who are not motivated to perform.
Antonym: enthusiastic
avid