noun - the lack of ability, skill, or knowledge needed to do something successfully or correctly
noun - a pill or liquid containing a combination of vitamins and minerals to support health
adjective - relating to the education or development of young children before they enter primary school
verb - to identify and remove errors or faults from a computer program, system, or device
adjective, technical - having an abnormal or defective shape, structure, or formation, often due to improper development
noun - signs, symbols, or written words used to give information or directions in public places
noun, dated - a person who travels from place to place without a permanent home or job