Definition: A cheerful expression used in Greek culture to show joy, often during celebrations or dancing.

Example: When the music started, everyone shouted 'opa!' and began to dance.

Definition: A term used to refer to a grandfather, especially in German and Dutch cultures.

Example: My opa tells the best stories from his childhood.

Definition: A space or gap that allows access or passage, or the beginning of an event or activity.

Example: The opening of the new park was celebrated with a big ceremony.

Definition: The quality of being open, allowing access, sharing, or communication without restrictions.

Example: Her openness to new ideas made her a great team leader.

Definition: A belief or judgment about something that is not based on certain knowledge or proof, often reflecting personal views or feelings.

Example: Everyone is entitled to their own opinion about the movie.

Definition: The quality of having strong and often unreasonable beliefs or opinions about something.

Example: Her opinionatedness made it difficult for her to accept other viewpoints during the discussion.

Definition: A condition caused by the regular use of opium, often leading to addiction and negative health effects.

Example: The doctor warned him about the dangers of opiumism and its impact on his health.

Definition: Experiencing harsh treatment or control, often by those in power, leading to a lack of freedom or rights.

Example: The oppressed people fought for their rights and freedom.

Definition: To keep someone in a situation of hardship or unfair treatment, often by using power or authority.

Example: The people felt oppressed by the harsh laws imposed by the government.

Definition: The quality or state of having choices or options available.

Example: The optionality of the investment allowed her to choose different paths for her money.

Definition: A state of having a lot of wealth, luxury, and richness.

Example: The palace was a symbol of opulence, filled with gold and precious jewels.

Definition: A state of great wealth or luxury, often characterized by lavishness and abundance.

Example: The opulency of the palace was evident in its gold decorations and grand furnishings.