Another word for top

Answer 1

• at the top of one's game
• at the top of the charts
• top dog
• spin like a top
• flip one's top
• on top of the world
• with a cherry on top
• shout it from the rooftops
• make it to the top
• Top that one!
• on top of eachother
• at the top of the class
• top of the line
• top heavy
• a top hat
• work from the top down
• top 40
• top 10
• race at top speed
• top brass (informal, meaing the highest ranking people in an organization)
• on top of the world
• and to top it off . . .
• off the top of one's head
• at the top of one's list
• a top priority
• to yell at the top of one's lungs
• top-notch
• top job
• under the big top
• from top to bottom
• a long climb to the top
• top quality
• Just try and top that!
• Take it from the top. (meaning the beginning)
• top-of-the-line
• go out on top
• to top off a drink, to top with whipped cream,

Answer 2

in reference to mountains, you could use "peak" :)

Answer 3

• pinnacle
• peak
• apex
• zenith