| secret
| noun
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| something that is not known by everyone.
| Can you keep a secret?
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| secretary
| noun
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| a person whose job is to assist other people by making business appointments, writing letters, and keeping records.
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| section
| noun
| v1
| a separate part or portion of something.
| The library has a children’s section.
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| secure
| adjective
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| well fastened
| A secure door.
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| see
| verb
| v1
| to notice something with your eyes.
| You can see a long way with binoculars
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| seed
| noun
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| a small, hard part of some flowering plants, from which new plants may grow
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| seek
| verb
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| to search for something, or try to achieve something.
| Seeking help.
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| seem
| verb
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| to appear to be.
| She seems worried about something.
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| seesaw
| noun
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| a balancing toy.
| Children play on a seesaw by sitting at either end of a board and rocking up and down.
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| seize
| verb
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| to take hold of something suddenly.
| The thief seized her bag.
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| seldom
| adverb
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| not often, or rarely
| I seldom get home before six.
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| select
| verb
| v1
| to choose something you want from a number of things.
| She selected a pot of paint from the tray.
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| selfish
| adjective
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| only caring about yourself.
| He was very selfish and never shared his toys.
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| sell
| verb
| v1
| to give something to someone in return for money.
| They sell all kinds of vegetables at the market.
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| semaphore
| noun
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| a way of sending messages by signaling with two flags. The flags are held in different positions to represent each letter of the alphabet.
| The letter “x” in semaphore
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| send
| verb
| v1
| to make someone or something go to another place.
| Send me a postcard!
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| senior
| adjective
| v1
| older, more experienced, or more important.
| Senior club members set the rules.
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| sense
| noun
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| one of the five ways in which we can receive information about the world. The five senses are sight, hearing, touch, smell, and taste.
| You need your sense of hearing to use a telephone.
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| sensible
| adjective
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| thinking clearly or in a practical way.
| She was sensible about dressing for the cold weather
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| sensitive
| adjective
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| quick to feel, understand, or react to something.
| Sensitive hairs on this plant make the leaves close when they are touched.
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| sentence
| noun
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| a group of words that make sense together.
| Sentences start with a capital letter and end with a period. They usually include a verb.
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| separate
| verb
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| to set apart from each other.
| He separated the yellow marbles from the green ones.
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| sequel
| noun
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| something that follows an earlier event, or continues a story from a previous book or movie.
| A movie sequel.
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| sequence
| noun
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| a number of things that follow in a particular order.
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| sequin
| noun
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| a small, shiny, metal or plastic disk that is sewn onto material as a decoration.
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| serial
| noun
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| a story that is broadcast or published in a series of parts.
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| series
| noun
| v1
| a group of similar things that follow one another in order.
| A series of books on nature.
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| serious
| adjective
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| requiring careful thought.
| A serious question.
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| servant
| noun
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| a person whose job it is to work for someone in that person’s home.
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| serve
| verb
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| to help someone, usually by giving them something they want or need
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