open

Not tightly packed with many spaces between parts

Full of small holes that let water or air pass through

Having small holes that let fluids pass in medical tools

Firmly fixed so it is not loose

Crowded with people or things packed closely together

In public and not hidden so other people can see or hear

Watch carefully for danger or a chance

A warm, eager welcome

To avoid choosing now so other choices remain

Stay half awake and watch for danger while you sleep because you are afraid

Stay alert to hear useful news or information

To create many unexpected problems that are hard to control

To act while fully aware of possible risks

Make someone understand something they did not know before

Create a difficult situation with many unexpected problems

To attack or punish someone suddenly and violently, often for something they did

To show a company's private information to others, often during business talks

Acting while fully aware of what could go wrong

To not pay attention and miss what is happening around you, for example because you are daydreaming

Waste effort arguing about something everyone already agrees with

To try to make something happen when it is already easy or people already agree

To cause a lot of trouble and anger among people

Create new ways to make progress or grow

A magic word that gives easy access or success

Completely open and available with nothing stopping access

Software that has code anyone can read, change, and share

An event when people are invited to visit and feel welcome

An event where people take turns performing music, poetry, or comedy

Very clear and easy to decide or solve

Completely open with nothing closed or covering it

A letter written to one person but published for everyone to read to make people notice a problem

An operation where doctors open the chest to operate on the heart

A large area of land without buildings or trees used for play

A person whose feelings and thoughts are easy to understand

A time when an activity is allowed, often for hunting or fishing

Taking place outside and not under a roof

Not strictly controlled, so illegal things can happen

A conversation where people share ideas honestly without holding back

Outside in a place that is not covered

A practice of letting people come in and speak freely to leaders

A marriage in which both partners allow each other to have sex with other people

A community where people can speak freely, join groups, and vote

Something people try to hide but many already know

An agreement to get goods or services now and pay later

An early election before the main vote where any registered voter can vote for candidates of only one party

A broken bone that sticks out through a cut in the skin

A way to let many countries trade equally with one country, used for China in the late 1800s

Anyone is welcome to join or take part

A market that takes place outdoors where stalls sell food and other goods

A British university that offers part-time online and distance courses for adults, often without usual entry rules

A room with few dividing walls that makes one big space

A broken electrical path that stops electric current

A way of letting people talk freely to those in charge

A space in a wall where you make an open fire to heat or cook in a room

A frame in which a player fails to knock down all the pins with two rolls

A workplace where workers do not have to join a union or pay its fees

A fabric with threads placed far apart so small holes let light and air through

A shirt with the top button undone at the neck

A way of allowing foreign companies to trade on the same terms as local companies

A common eye disease that slowly reduces side vision when eye fluid cannot drain

A piece of bread with toppings and no top slice

A chain of atoms in a molecule whose ends do not join to make a ring

A set of numbers between two points that does not include the end points

A single slice of bread with toppings served without a top slice

Soldiers standing with wide spaces between ranks so an officer can walk between them for inspection

A simple part on a gun with an open notch for aiming

A vowel sound made with the tongue low in the mouth

A syllable that ends with a vowel sound and usually has a long vowel

An outdoor place where people sell food and crafts

A type of word that often gets new words, like nouns and verbs

A warm, friendly welcome that makes guests feel wanted

A warm welcome you give by opening your arms to hold someone

A borrowing plan that lets you borrow up to a set limit and use it again as you repay

A company that sells and buys shares directly at their daily price

A company that sells and buys back shares any time at a price based on its assets

A tool with two flat open jaws that grip nuts or bolts

Steel that people make by heating iron in a large furnace

A large hot oven that makes steel by heating metal on a shallow bed with flames above

A way of making steel by melting iron and scrap metal in a large open furnace