🏔️ Colorado (state) ✌️ Conscientious objector ☠️ Carbon monoxide gas

CO

34 1.0

A state in the western United States with the Rocky Mountains

noun

: Colorado

On the loudspeaker, we keep hearing our CO saying we are winning the war.
CO emissions
Co-workers

These are postmarked from Denver, Co who goes by GI.

Examples

The weather in CO can change rapidly, so be prepared for anything.
I am from Denver, Co born and raised.
My guess is Boulder, Co college town kids.
I've seen his records of entry and exit to the States, and spoken to his CO.

Three Billboards Outside Ebbing, Missouri (2017)
He's the CO here.

Bloodsuckers (2005)
I was the CO of K/3/1 from 4/68 to 11/10/68.

Blog text (27)
I live in CO, where the mountains are breathtaking.
Traveling to CO is a must for those who enjoy skiing.

Synonyms

Colorado

vsCO

790 1.0

A western United States state that has mountains and many outdoor activities

is the two letter abbreviation used instead of the full name

Colo.

vsCO

26 4.1

A US state in the Rocky Mountains

is the abbreviation written without a period

Centennial State

vsCO

1 6.0

A nickname for Colorado because it became a US state in 1876

is the short formal postal abbreviation used for addresses and records

Compounds

co-founder

109 3.4

A person who starts a company or organization with others

co-chair

31 3.5

A person who shares the job of leading a committee or meeting with another person

co-pilot

28 3.4

A person who helps the main pilot and can fly the plane if needed

co-director

19 3.7

A person who shares the main job of leading a project or company with another person

co-chairman

17 3.7

A person who shares the job of leading a group or committee

co-sponsor

Formal

14 3.8

A person in government who joins others to support a proposed law

co-creator

14 3.7

A person who makes something together with other people

co-defendant

Specialized

14 6.3

A person accused in the same court case as another person

co-production

Specialized

6 3.6

A film or TV series made together by companies in different countries

co-leader

3 3.6

A person who shares the job of running a group equally with another person

co-sleeping

2 3.7

An arrangement where parents and children sleep in the same bed or room

co-curator

2 6.2

A person who helps organise and choose items for an exhibition or collection with another person

co-discoverer

1 5.8

A person who finds something for the first time together with one or more others

co-inventor

1 4.1

A person who invents something with other people

co-sleeping

1 3.9

Sleeping in the same bed or room with a child

co-beneficiary

Specialized

1 7.0

A person who shares a benefit from a will, insurance policy, or trust

co-pastor

1 4.5

A church leader who shares duties with another leader

co-design

Specialized

1 4.1

A way of making things together with users and other people to share decisions

co-production

Specialized

1 3.9

A way for citizens and government staff to work together to design and provide services

co-teaching

Specialized

1 3.6

Two teachers work together in the same classroom to teach students

co-administration

Specialized

1 4.6

To give two or more medicines at the same time

co-father

1 8.1

A man who helps raise a child with another parent

co-teaching

Specialized

1 3.8

A class where two teachers work together to teach students

co-residence

1 4.4

People who live together in the same house or home

co-principal

1 4.6

A person who shares the top job at a school with another person

co-leader

3.7

Working together with another person to lead a group

co-administration

6.1

A way for two or more groups to manage something together

Co-operative Republic of Guyana

Formal

6.9

A country in northeastern South America that became independent from the United Kingdom in 1966

Surface Forms

CO singular

COs plural

Etymology

CO is the postal abbreviation for Colorado, a US state whose name comes from the Spanish word colorado, meaning 'red' because of the red rocks and soil in parts of the state. So when you see CO after a city, it means the state of Colorado.