half a
Examples
Every good mathematician is at least half a philosopher, and every good philosopher is at least half a mathematician.
Practically everybody in New York has half a mind to write a book, and does.
The greatest part of a writer's time is spent in reading in order to write. A man will turn over half a library to make a book.
A man without a woman is only half a man.
An understanding person needs only half a word.
The truth is half a quarrel.