The opposite of the noun start would be the end, finish, or completion.
The opposite of the verb start (begin) would be to end, finish, or conclude.
From a standpoint of performing an action, the opposite can be stop.
Finish
It depends on the context:
The opposite of starting (beginning something) is ending.
The opposite of starting (an operation, activity, machine) is stopping.
Stopped is the opposite of started.
Stop
How about starting by giving us the definition of exalited?
An opposite of the word "to" is from.
The opposite of up is down. So, opposite of the opposite of up is up itself.
The opposite of the opposite is the original value, -9.
The opposite of arrive is to depart or to leave.The opposite of arrival is departure.
the opposite of starting is finishing =]
The opposite for the word plain starting with letter f is FANCY.
The opposite of ornate is plain.
Wisdom is the opposite of folly. It begins with the letter w.
Narrow is the opposite of wide. It begins with the letter N.
Mighty is the opposite of weak. It begins with the letter m.
amateur
finishing or ending
Initial
Boiling.
Glut
stopping