verb, formal - to treat or prepare something to make it resistant to a specific substance or condition, like water, fire, or damage

verb - to refuse to acknowledge someone as your own relative or to deny any connection or responsibility for someone or something

noun, formal - a person who says nice things to powerful people just to get their help or to stay in their favour

noun - a building that provides a place to stay and offers help to people or animals that have nowhere to live

verb, British English - (esp. of children) to misbehave; (esp. of machines) to not work properly; (of body parts) to hurt or cause pain

noun - the quality of being likely to get angry easily, likely to make people angry, likely to create hatred and violence

verb, informal - to keep moving or playing with something in order to make it look better, in order to fix it etc.