open up

open up  {v.}
1. To show for the first time; make clear; reveal.
The story of Helen Keller's life opened up a whole new world to Mary.
Einstein's theories opened up a whole new area for study.
2. To make available; present an opportunity; offer.
The building of the railroad opened up new lands to the pioneers.
John opened up a whole new section of the Scrabble board.
3.  {informal}
To go faster.
When they got out on the highway John opened up and drove at 65 miles per hour.
4.  {informal}
To begin to shoot.
When they got close to the enemy lines, they opened up with all they had.
5.  {informal}
To begin to talk frankly.
After John learned to trust Mr. Jones, he opened up and told him how he felt.
6. To spread out.
After a while the road opened up and they traveled more quickly.
7. To become available.
When she got her college diploma, many new jobs opened up.

Categories: informal time verb world

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