Definitions

1. adjective

of or relating to the most exciting or intense moment of an event or situation

“The climactic finale of the play left the audience in awe.”

2. noun

the most exciting or intense moment of an event or situation

“The climactic moment of the movie was when the hero saved the day.”

3. adverb

in a way that is the most exciting or intense

“She climactically burst into the room, surprising everyone.”