verb - to improve a skill, technique, or ability by practicing it regularly
verb - to sharpen something, especially a blade, by rubbing it on a stone or similar surface
noun - the last name of the inventor of the glue stick
adjective, American English, informal - having too much air in the stomach
adjective, British English, informal - (of fizzy drinks) containing too much air, containing too many bubbles
noun - a detailed plan or design that outlines how something will be built or achieved
verb - to raise a glass and take a drink in honor of someone or something
adjective - relating to government revenue, taxes, and public spending
noun - (in vitro fertilization) fertilization of an egg outside the body, followed by implantation in the uterus
noun - a substance or material that allows electricity to pass through it under some conditions but not under others, used especially in electronic devices
adjective, formal - matching something in size, degree, or importance; appropriate in relation to something else
noun, technical - a serious mental condition in which a person gradually loses the ability to think, remember, and behave normally, usually because of disease or old age
adjective, formal - feeling very sad and lonely because something important has been taken away, or lacking something you need or expect
noun, formal - an action or process that shows you regret hurting someone or doing something bad, and try to make it better