O
Idioms beginning with "O"
Part of speech, explanation, example sentences, pronunciation
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Contents of O:
[open shop] {n. phr.}
A factory or firm that employs both union and non-union labor.
The firm refuses to adopt an open shop policy.
Contrast: [CLOSED SHOP].
[open the door] {v. phr.}
To allow more action or discussion; give a chance.
Learning to read and write opens the door to a better job and better living conditions.
Raising the tax rates will open the door to more help for older people.
[…]
[open the floodgates] {v. phr.}
To let loose an outburst of human activity or emotion.
It would open the floodgates of anger and discontent if the university raised tuition too soon.
[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; […]
[opposite number] {n. phr.}
A person occupying the same position as someone in a different group, organization, or country.
The opposite number of the President of the United States in Germany is the Chancellor of the Federal Republic.
[opposite sex] {n. phr.}
The sex different from the one being discussed or mentioned.
Fred came out and said he was gay, having never had any interest in the opposite sex.
[optional origin] {n.}
Stipulation in international commodities contract whereby the seller may ship from either his foreign or his domestic resources.
Be sure to enter that in the books as an optional origin order.