Answer:

tiptop

Answer	Crossword Clue
TIPTOP	Superb
TIPTOP	Excellent
TIPTOP	Of the highest quality

TIPTOP	Peak
TIPTOP	Best of the best
TIPTOP	Aces
TIPTOP	Extreme summit
TIPTOP	First-rate
TIPTOP	Superlative
TIPTOP	Highest point
TIPTOP	First-rate: colloq.

TIPTOP	Best.
TIPTOP	Just dandy.
TIPTOP	Excellent.
TIPTOP	Best: Colloq.
TIPTOP	The best: Colloq.
TIPTOP	Prime: Colloq.
TIPTOP	A-one
TIPTOP	Summit

TIPTOP	A 1
TIPTOP	Very well
TIPTOP	Perfect
TIPTOP	Capital
TIPTOP	Ace
TIPTOP	Smashing
TIPTOP	The very best
TIPTOP	Acme

TIPTOP	To the highest extent
TIPTOP	The very highest
TIPTOP	In ... shape (perfectly fit)
TIPTOP	The extreme summit
TIPTOP	T
TIPTOP	Best
TIPTOP	Pinnacle

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.