impossible or very difficult to break, damage, or destroy
adjective - kept safe from harm, damage, danger, or unwanted change
adjective - based on ideas or plans that are unlikely to become reality; not practical or realistic
noun - a person who has original and imaginative ideas about what the future could or should be like
adjective - having or showing original and imaginative ideas about what the future could or should be like
noun, formal - a condition that causes physical or mental suffering, especially an illness or a problem that lasts for a long time
noun - a mixture of different things that have been combined into a single whole
noun - the way in which something is arranged, organized, or prepared
noun - something that is given free to people, especially as a prize or as part of a competition or promotion
noun - a thick flat chocolate cake that is baked in a tray, having a dense, fudgy or chewy texture and a thin, crispy crust on top
verb - to make a lot of short, sharp sounds like the sound of paper being crushed or a wood fire burning
adjective - behaving in a way that is dishonest or unfair in order to get what you want; having or showing no moral principles
verb - to not have enough of something; to have less than the amount that is needed or wanted
noun - a thing or a personthat keeps someone or something safe