<p><strong>Adverb</strong></p><ul><li>to, toward, or in a more elevated position: to climb up to the top of a ladder.</li><li>to or in an erect position: to stand up.</li><li>out of bed: to get up.</li><li>above the horizon: The moon came up.</li><li>to or at any point that is considered higher.</li><li>to or at a source, origin, center, or the like: to follow a stream up to its source.</li><li>to or at a higher point or degree, as of rank, size, value, pitch, loudness, brightness, maturity, or speed: to move up in a firm; to pump up a tire; to turn a lantern up; Prices are going up. Speak up! Hurry up!</li><li>ahead; in a leading position in a competition: He managed to get up on his opponent by three points.</li><li>in continuing contact, especially as reflecting continuing awareness, knowledge, etc.: to keep up with the latest developments in mathematics.</li><li>into or in activity, operation, etc.: to set up vibrations.</li><li>into a state of emotional agitation or distress: His insults left her all roiled up.</li><li>into existence, visible form, etc.: His sample was worked up in the studio.</li><li>into view, prominence, or consideration: The lost papers have turned up.</li><li>into or in a place of safekeeping, storage, retirement, etc.: to lay up riches; to put up preserves.</li><li>into or in a state of union, contraction, etc.: to add up a column of figures; to fold up.</li><li>to the required or final point: to pay up one's debts; burned up.</li><li>to a state of completion; to an end: She finished it all up.</li><li>to a halt: The riders reined up and dismounted.</li><li>Baseball: being the player or team batting; at bat.</li><li>(used as a function word for additional emphasis, sometimes preceded by it): Go wake your father up. What plugged it up? We laughed it up.</li><li>ahead of an opponent or opponents in points, games, etc.: The golfer was two strokes up on his nearest competitor.</li><li>each; apiece: The score was seven up in the final quarter.</li><li>(of machines or equipment, as computers): working; in working order or in operation.</li><li>Informal: without the addition of ice; straight up: Bring me a martini, up.</li><li>Nautical: toward the wind: Put the helm up.</li></ul><p><strong>Preposition</strong></p><ul><li>to, toward, or at an elevated place on or in: They went up the stairs. The cat is up the tree.</li><li>to, toward, or at a high or higher station, condition, or rank on or in: He is well up the social ladder.</li><li>at or to a farther point or higher place on or in: She is up the street. I'm going up the street.</li><li>toward the source, origin, etc., of: up the stream.</li><li>toward a particular direction or in the interior of, as a region or territory: The explorers were up north.</li><li>in a course or direction that is contrary to that of: to row up the current.</li></ul><p><strong>Adjective</strong></p><ul><li>moving in or related to a direction that is up or is regarded as up: the up elevator; the up train traveling north; the up platform of a railroad station.</li><li>informed; familiar; aware (usually followed by on or in): She is always up on current events.</li><li>concluded; ended; finished; terminated: The game is up. Your hour is up.</li><li>going on or happening; taking place; occurring: What's up over there?</li><li>having a high position or station: He is up in society.</li><li>in an erect, vertical, or raised position: The gate at the railroad crossing is up. The tent is up.</li><li>above the earth or ground: The corn is up and ready to be harvested.</li><li>in the air; aloft: The meteorological balloons are up. The airplanes are up for their reconnaissance flights.</li><li>(of heavenly bodies) risen above the horizon: The sun is up.</li><li>awake or out of bed: to be up with insomnia.</li><li>mounted on horseback: He knows which jockeys are up in every race.</li><li>(of water in natural bodies) high with relation to the banks or shore: The tide is up.</li><li>built; constructed: The new museum is up and open to the public.</li><li>facing upward: He is resting and his face is up.</li><li>sunny-side up.</li><li>(of roads, highways, etc.) having the surface broken or removed (usually used in combination): a torn-up road.</li><li>in revolt, mutiny, or rebellious agitation: Many territories were up and preparing to send troops against the government.</li><li>in a state of agitation: Beware of him when his temper is up.</li><li>Informal: cheerful or optimistic; high-spirited; happy; exuberant; upbeat.</li><li>Informal: productive, favorable, or profitable: a string of up months for the company.</li><li>afoot or amiss: Her nervous manner told me that something was up.</li><li>in a state of enthusiastic or confident readiness (usually followed by for): The team was definitely up for the game.</li><li>bound; on the way: She was on a ship up for Australia.</li><li>resolved in an unfavorable or undesired way: They knew that their game was up.</li><li>higher than formerly in cost, amount, degree, etc.: The price of meat was up.</li><li>(of age) advanced (usually followed by in): He is rather spry for a man so up in years.</li><li>active: The captain wished to set sail as soon as the wind was up.</li><li>in a legal proceeding as defendant: He is up for murder.</li><li>in operation or ready for use: The theater's lights are up.</li><li>(of points or other standards used to determine the winner in a competition) ahead; in advance: He won the game with two points up over his opponent.</li><li>considered or under consideration: a candidate up for reelection; a bill that is up before Congress.</li><li>wagered; bet: He won all the money up in the game.</li><li>living or located inland or on elevated ground: They live in a village two miles up from the coast.</li><li>(used with a preceding numeral to indicate that a score is tied in a competition): It was 10 up at the end of the first half.</li><li>ahead of an opponent or opponents: They scored three times in a row to go two up.</li></ul><p><strong>Noun</strong></p><ul><li>an upward movement; ascent.</li><li>a rise of fortune, mood, etc.</li><li>a time of good fortune, prosperity, or happiness: He has had more ups than downs in his career.</li><li>an upbound means of public transportation, as a train or bus.</li><li>Informal: a feeling or state of happiness, exuberance, or elation.</li><li>a person or thing that is in a favorable position of wealth, fortune, etc.: People who were ups in the business world suffered losses in the economic depression.</li><li>an upward slope; elevation.</li><li>an upward course or rise, as in price or value: The landlord promised his tenants there would be no further ups in the rent this year.</li><li>Slang: upper.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) upped, upping: to put or take up.</li><li>to make larger; step up: to up output.</li><li>to raise; go better than (a preceding wager): to up the ante.</li><li>(used without object) upped, upping: Informal: to start up; begin something abruptly (usually followed by and and another verb): Then he upped and ran away from home.</li><li>(often used imperatively or hortatively) to rise up: Up, men, and fight until all the enemy are defeated!</li></ul>