adjective, formal - not part of the essential nature of something; coming from outside
adverb - in a detailed and carefully planned way; with many complicated parts or decorations
verb, formal - to express an opinion, often formally or publicly
adjective - impossible to see, hear, or recognize as different from something else
verb, formal - to be the male parent of a child or animal offspring
noun, technical - the male parent of an animal, especially a stallion that is used for breeding
adjective, technical - relating to the internal organs of the body, especially those within the chest or abdomen (such as the heart, lungs, liver, intestines, etc.)