A bag is a lightweight, flexible container meant for carrying things. A grocery bag is one you bring home from the supermarket full of food.

In some places the word sack is more common, but the handled container you get at the store when you buy something is usually called a bag. You can also refer to a suitcase, handbag, or purse as a bag. When the word is used as a verb, it can mean "to put in a bag," but also "to catch something." Figuratively, you can "be left holding the bag," which means to be swindled or cheated.

Definitions of bag
  1. noun
    a flexible container with a single opening
    “he stuffed his laundry into a large bag
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    air bag
    a safety restraint in an automobile; the bag inflates on collision and prevents the driver or passenger from being thrown forward
    back pack, backpack, haversack, knapsack, packsack, rucksack
    a bag carried by a strap on your back or shoulder
    a small cloth bag filled with dried beans; thrown in games
    a bag that fills with air
    body bag, human remains pouch, personnel pouch
    a bag in which the body of a dead soldier is placed
    book bag
    a bag in which students carry their books
    burn bag
    a bag into which secret documents are placed before being burned
    carryall, holdall, tote, tote bag
    a capacious bag or basket
    drawstring bag
    a bag that is closed at the top with a drawstring
    dust bag, vacuum bag
    a bag into which dirt is sucked by a vacuum cleaner
    envelope, gasbag
    the bag containing the gas in a balloon
    a canvas or leather bag for carrying game (especially birds) killed by a hunter
    golf bag
    golf equipment consisting of a bag for carrying golf clubs and balls
    burlap bag, gunny sack, gunnysack
    a bag made of burlap
    ice bag, ice pack
    a waterproof bag filled with ice: applied to the body (especially the head) to cool or reduce swelling
    mailbag, postbag
    letter carrier's shoulder bag
    feedbag, nosebag
    a canvas bag that is used to feed an animal (such as a horse); covers the muzzle and fastens at the top of the head
    either of a pair of bags or boxes hung over the rear wheel of a vehicle (as a bicycle)
    plastic bag
    a bag made of thin plastic material
    a small or medium size container for holding or carrying things
    a small bag for carrying money
    a bag in which rags are kept
    rosin bag
    a bag filled with rosin; used by baseball pitchers to improve their grip on the ball
    a small soft bag containing perfumed powder; used to perfume items in a drawer or chest
    carrier bag, paper bag, poke, sack
    a bag made of paper or plastic for holding customer's purchases
    a large bag (or pair of bags) hung over a saddle
    a bag filled with sand; used as a weapon or to build walls or as ballast
    a bag for carrying school books and supplies
    shopping bag
    a bag made of plastic or strong paper (often with handles); used to transport goods after shopping
    sick bag, sickbag
    a bag provided on an airplane for passengers who are suffering from airsickness and need to vomit
    a bag serving as a container for liquids; it is made from the hide of an animal
    sleeping bag
    large padded bag designed to be slept in outdoors; usually rolls up like a bedroll
    sweat bag
    a porous bag (usually of canvas) that holds water and cools it by evaporation
    tea bag
    small paper bag holding a measure of tea
    sponge bag, toilet bag
    a waterproof bag for holding bathrooms items (soap and toothpaste etc.) when you are travelling
    tool bag
    a bag in which tools are carried
    a bag used for carrying food
    bin liner
    a plastic bag used to line a trash or garbage bin
    doggie bag, doggy bag
    a bag for food that a customer did not eat at a restaurant; the transparent pretense is that the food is taken home to feed the customer's dog
    duffel, duffel bag, duffle, duffle bag
    a large cylindrical bag of heavy cloth; for carrying personal belongings
    grocery bag
    a sack for holding customer's groceries
    kit bag, kitbag
    a knapsack (usually for a soldier)
    mail pouch, mailbag
    pouch used in the shipment of mail
    a drawstring bag for holding money
    a small pouch inside a garment for carrying small articles
    a cylindrical drawstring bag used by sailors to hold their clothing and other gear
    a fur or leather pouch worn at the front of the kilt as part of the traditional dress of Scottish Highlanders
    tobacco pouch
    a pouch for carrying pipe tobacco
    belt bag, waist pack
    a small pouch (usually with a zipper) that attaches to a belt and is worn around the waist
    water skin, waterskin
    a container of skin for holding water
    an animal skin (usually a goatskin) that forms a bag and is used to hold and dispense wine
    type of:
    any object that can be used to hold things (especially a large metal boxlike object of standardized dimensions that can be loaded from one form of transport to another)
  2. noun
    a container used for carrying money and small personal items or accessories (especially by women)
    “she reached into her bag and found a comb”
    synonyms: handbag, pocketbook, purse
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    clutch, clutch bag
    a woman's strapless purse that is carried in the hand
    small ornamental ladies' bag for small articles
    evening bag
    a handbag used with evening wear
    a woman's drawstring handbag; usually made of net or beading or brocade; used in 18th and 19th centuries
    shoulder bag
    a large handbag that can be carried by a strap looped over the shoulder
    type of:
    any object that can be used to hold things (especially a large metal boxlike object of standardized dimensions that can be loaded from one form of transport to another)
  3. noun
    a portable rectangular container for carrying clothes
    “he carried his small bag onto the plane with him”
    synonyms: grip, suitcase, traveling bag, travelling bag
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    traveling bag made of carpet; widely used in 19th century
    garment bag
    a suitcase that unfolds to be hung up
    a small suitcase
    overnight bag, overnight case, overnighter
    a small traveling bag to carry clothing and accessories for staying overnight
    Gladstone, Gladstone bag, portmanteau
    a large travelling bag made of stiff leather
    a small suitcase to carry clothing and accessories for a weekend trip
    a small overnight bag for short trips
    type of:
    baggage, luggage
    cases used to carry belongings when traveling
  4. noun
    the quantity that a bag will hold
    “he ate a large bag of popcorn”
    synonyms: bagful
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    type of:
    the quantity that a container will hold
  5. verb
    put into a bag
    “The supermarket clerk bagged the groceries”
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    put into a small bag
    type of:
    arrange in a container
  6. verb
    hang loosely, like an empty bag
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    type of:
    droop, flag, sag, swag
    droop, sink, or settle from or as if from pressure or loss of tautness
  7. verb
    bulge out; form a bulge outward, or be so full as to appear to bulge
    synonyms: bulge
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    form a rounded prominence
    type of:
    jut, jut out, project, protrude, stick out
    extend out or project in space
  8. noun
    the quantity of game taken in a particular period (usually by one person)
    “his bag included two deer”
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    type of:
    indefinite quantity
    an estimated quantity
  9. verb
    capture or kill, as in hunting
    bag a few pheasants”
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    type of:
    capture, catch
    capture as if by hunting, snaring, or trapping
  10. verb
    take unlawfully
    synonyms: pocket
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    type of:
    take without the owner's consent
  11. noun
    mammary gland of bovids (cows and sheep and goats)
    synonyms: udder
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    type of:
    mamma, mammary gland
    milk-secreting organ of female mammals
  12. noun
    an activity that you like or at which you are superior
    “his bag now is learning to play golf”
    synonyms: cup of tea, dish
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    type of:
    any specific behavior
  13. noun
    an ugly or ill-tempered woman
    synonyms: old bag
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    type of:
    disagreeable woman, unpleasant woman
    a woman who is an unpleasant person
  14. noun
    a place that the runner must touch before scoring
    “he scrambled to get back to the bag
    synonyms: base
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    first base
    the base that must be touched first by a base runner in baseball
    home, home base, home plate, plate
    (baseball) base consisting of a rubber slab where the batter stands; it must be touched by a base runner in order to score
    second base
    the base that must be touched second by a base runner in baseball
    third, third base
    the base that must be touched third by a base runner in baseball
    type of:
    baseball equipment
    equipment used in playing baseball
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