- Weight is how heavy something is or how much mass it has.
An example of weight is when a person is 100 pounds.
A doctor checks a woman's weight.
- a portion or quantity weighing a definite or specified amount: ten pounds weight of lead
- heaviness as a quality of things
- Physics the force of gravity acting on a body, equal to the mass of the body multiplied by the acceleration of gravity
- quantity or amount of heaviness; how much a thing weighs
- the amount a specified thing should weigh
- any unit of heaviness or mass
- any system of such units: troy weight, avoirdupois weight
- a piece, as of metal, of a specific standard heaviness, used on a balance or scale in weighing
- any block or mass of material used for its heaviness; specif.,
- one used to hold light things down or in position: a paperweight
- one used to drive a mechanism: the weights in a clock
- one used to maintain balance: weights placed on an automobile wheel
- one of a particular heaviness, lifted as an athletic exercise
- any heavy thing or load
- a burden or oppressiveness, as of responsibility or sorrow
- importance or consequence: a matter of great weight
- influence, power, or authority: to throw one's weight to the losing side
- the relative thickness or heaviness of a fabric or an article of clothing as proper to a particular season, use, etc.: a suit of summer weight
- Printing the relative thickness of the lines in type fonts
- any of the several classifications into which boxers and wrestlers are placed according to how much they weigh
- the number of pounds a horse is required to carry for a particular race, including the weight of the jockey, the saddle, and, often, added lead weights
- Statistics a constant assigned to a single item in a frequency distribution, indicative of the item's relative importance
Origin of weightMiddle English weiht, altered (infl. by weien, weigh) ; from Old English wiht ; from wegan: see weigh
- to add weight to; make heavy or heavier
- to burden; load down; oppress
- to treat (thread or fabric) with a solution of metallic salts, in order to increase its weight
- to manage, control, or influence in a particular direction or so as to favor a particular side; slant: the evidence was weighted against the defendant
- Statistics to assign a weight to in a frequency distribution
pull one's weight
throw one's weight around
nounAbbr. wt. or w
- A measure of the heaviness of an object: a contest to guess the weight of a pig.
- The force with which a body is attracted to Earth or another celestial body, equal to the product of the object's mass and the acceleration of gravity.
- a. A unit measure of gravitational force: a table of weights and measures.b. A system of such measures: avoirdupois weight; troy weight.
- An object used principally to exert a force by virtue of its gravitational attraction to Earth, especially:a. A metallic solid used as a standard of comparison in weighing.b. An object used to hold something else down.c. A counterbalance in a machine.d. Sports A heavy object, such as a dumbbell, lifted for exercise or in athletic competition.
- Excessive fat; corpulence: exercising in order to lose weight.
- Statistics A factor assigned to a number in a computation, as in determining an average, to increase or decrease the number's effect on the computation, reflecting its importance.
- Oppressiveness; pressure: the weight of responsibilities.
- The greater part; preponderance: The weight of the evidence is against the defendant.
- a. Influence, importance, or authority: Her approval carried great weight. See Synonyms at importance.b. Ponderous quality: the weight of the speaker's words.
- Sports A classification according to comparative lightness or heaviness. Often used in combination: a heavyweight boxer.
- a. The heaviness or thickness of a fabric in relation to a particular season or use. Often used in combination: a summerweight jacket.b. A measure of the relative thickness of yarn.
transitive verbweight·ed, weight·ing, weights
- To make heavy or heavier: Our backpacks were weighted down with food and other essentials.
- To cause to feel concerned, sad, or preoccupied; burden or oppress: He was weighted with guilt.
- To increase the weight or body of (fabrics) by treating with chemicals.
- Statistics To assign weights or a weight to.
- To cause to have a slant or bias: weighted the rules in favor of homeowners.
- Sports To assign to (a horse) the weight it must carry as a handicap in a race.
Origin of weightMiddle English wight, from Old English wiht; see wegh- in Indo-European roots.
- The force on an object due to the gravitational attraction between it and the Earth (whatever astronomical object it is primarily influenced by).
- An object used to make something heavier.
- A standardized block of metal used in a balance to measure the mass of another object.
- Importance or influence.
- (weightlifting) A disc of iron, dumbbell, or barbell used for training the muscles.
- (physics) Mass (net weight, atomic weight, molecular weight, troy weight, carat weight, etc.).
- (statistics) A variable which multiplies a value for ease of statistical manipulation.
- (topology) The smallest cardinality of a base.
- (typography) The boldness of a font; the relative thickness of its strokes.
- (visual art) The relative thickness of a drawn rule or painted brushstroke, line weight.
- (visual art) The illusion of mass.
- (visual art) The thickness and opacity of paint.
- pressure; burden
- the weight of care or business
- The resistance against which a machine acts, as opposed to the power which moves it.
(third-person singular simple present weights, present participle weighting, simple past and past participle weighted)
From Old English wiht, Ä¡ewiht, from Proto-Germanic *wihtiz, *(ga)wekhtiz (cf. *weganÄ…). Compare Dutch gewicht, German Gewicht.