noun - a situation in which one event or action causes a series of other events to happen, like ripples spreading on water
noun - the quality of being dark, gloomy, or hard to see through; the quality of being unclear or difficult to understand
adjective, formal - having the same size and shape; in agreement or harmony
noun - a small, thin stick used for removing food from between the teeth
noun - a very thin thread or fibre, especially one that is long, flexible, and often delicate
noun, formal - an act of attacking, stealing from, or damaging something, especially by using force or violence
verb, formal - to steal from or destroy something, especially in a violent or aggressive way
noun - a difficult or unpleasant situation, especially one that continues for a long time
verb, formal - to state or argue something strongly, especially in a formal context or in disagreement
verb - to struggle or compete against someone or something difficult, often in order to win or survive
noun, technical - a large, rectangular building block made from a mixture of concrete and industrial cinders, typically hollow and used in construction for walls and foundations