| validity | | |
| n. (attribute) | 1. cogency, rigor, rigour, validity | the quality of being valid and rigorous. |
| ~ believability, credibility, credibleness | the quality of being believable or trustworthy. |
| n. (attribute) | 2. validity, validness | the quality of having legal force or effectiveness. |
| ~ legality | lawfulness by virtue of conformity to a legal statute. |
| ~ effect, force | (of a law) having legal validity.; "the law is still in effect" |
| n. (attribute) | 3. hardiness, lustiness, robustness, validity | the property of being strong and healthy in constitution. |
| ~ strength | the property of being physically or mentally strong.; "fatigue sapped his strength" |
| weight | | |
| n. (attribute) | 1. weight | the vertical force exerted by a mass as a result of gravity. |
| ~ physical property | any property used to characterize matter and energy and their interactions. |
| ~ body weight | the weight of a person's body. |
| ~ dead weight | a heavy motionless weight. |
| ~ heaviness, weightiness | the property of being comparatively great in weight.; "the heaviness of lead" |
| ~ poundage | weight expressed in pounds. |
| ~ tare | the weight of a motor vehicle, railroad car, or aircraft without its fuel or cargo. |
| ~ throw-weight | the weight of the payload of a missile (not including the weight of the rocket). |
| ~ weightlessness, lightness | the property of being comparatively small in weight.; "the lightness of balsa wood" |
| n. (artifact) | 2. exercising weight, free weight, weight | sports equipment used in calisthenic exercises and weightlifting; it is not attached to anything and is raised and lowered by use of the hands and arms. |
| ~ barbell | a bar to which heavy discs are attached at each end; used in weightlifting. |
| ~ dumbbell | an exercising weight; two spheres connected by a short bar that serves as a handle. |
| ~ sports equipment | equipment needed to participate in a particular sport. |
| n. (attribute) | 3. weight, weightiness | the relative importance granted to something.; "his opinion carries great weight"; "the progression implied an increasing weightiness of the items listed" |
| ~ importance | the quality of being important and worthy of note.; "the importance of a well-balanced diet" |
| n. (artifact) | 4. weight | an artifact that is heavy. |
| ~ artefact, artifact | a man-made object taken as a whole. |
| ~ bob | a hanging weight, especially a metal ball on a string. |
| ~ counterbalance, counterpoise, counterweight, equaliser, equalizer, balance | a weight that balances another weight. |
| ~ load, loading, burden | weight to be borne or conveyed. |
| ~ makeweight | a weight added to the scale to reach a required weight. |
| ~ paperweight | a weight used to hold down a stack of papers. |
| ~ sinker | a weight that sinks (as to hold nets or fishing lines under water). |
| n. (feeling) | 5. weight | an oppressive feeling of heavy force.; "bowed down by the weight of responsibility" |
| ~ oppressiveness, oppression | a feeling of being oppressed. |
| n. (quantity) | 6. system of weights, weight | a system of units used to express the weight of something. |
| ~ system of measurement, metric | a system of related measures that facilitates the quantification of some particular characteristic. |
| ~ avoirdupois, avoirdupois weight | a system of weights based on the 16-ounce pound (or 7,000 grains). |
| ~ troy, troy weight | a system of weights used for precious metals and gemstones; based on a 12-ounce pound and an ounce of 480 grains. |
| n. (quantity) | 7. weight, weight unit | a unit used to measure weight.; "he placed two weights in the scale pan" |
| ~ unit, unit of measurement | any division of quantity accepted as a standard of measurement or exchange.; "the dollar is the United States unit of currency"; "a unit of wheat is a bushel"; "change per unit volume" |
| ~ troy unit | any of the unit of the troy system of weights. |
| ~ apothecaries' unit, apothecaries' weight | any weight unit used in pharmacy; an ounce is equal to 480 grains and a pound is equal to 12 ounces. |
| ~ arroba | a unit of weight used in some Spanish speaking countries. |
| ~ cattie, catty | any of various units of weight used in southeastern Asia (especially a Chinese measure equal to 500 grams). |
| ~ crith | the weight of a liter of hydrogen (at 0 centigrade and 760 millimeters pressure). |
| ~ frail | the weight of a frail (basket) full of raisins or figs; between 50 and 75 pounds. |
| ~ last | a unit of weight equal to 4,000 pounds. |
| ~ maund | a unit of weight used in Asia; has different values in different countries.; "the official maund in India is 82.6 pounds avoirdupois" |
| ~ obolus | a Greek unit of weight equal to one tenth of a gram. |
| ~ oka | a Turkish unit of weight equal to about 2.75 pounds. |
| ~ picul | a unit of weight used in some parts of Asia; approximately equal to 133 pounds (the load a grown man can carry). |
| ~ pood | a Russian unit of weight equal to approximately 36 pounds. |
| ~ rotl | a unit of weight used in some Moslem countries near the Mediterranean; varies between one and five pounds. |
| ~ tael | a unit of weight used in east Asia approximately equal to 1.3 ounces. |
| ~ tod | a unit of weight for wool equal to about 28 pounds. |
| ~ welterweight | a weight of 28 pounds; sometimes imposed as a handicap in a horse race (such as a steeplechase). |
| n. (quantity) | 8. weight, weighting | (statistics) a coefficient assigned to elements of a frequency distribution in order to represent their relative importance. |
| ~ statistics | a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters. |
| ~ coefficient | a constant number that serves as a measure of some property or characteristic. |
| v. (contact) | 9. burden, burthen, weight, weight down | weight down with a load. |
| ~ overburden | load with excessive weight. |
| ~ plumb | weight with lead. |
| ~ charge | fill or load to capacity.; "charge the wagon with hay" |
| ~ saddle | load or burden; encumber.; "he saddled me with that heavy responsibility" |
| v. (cognition) | 10. angle, slant, weight | present with a bias.; "He biased his presentation so as to please the share holders" |
| ~ bias, predetermine | cause to be biased. |
| weighty | | |
| adj. | 1. weighty | having relatively great weight; heavy.; "a weighty load"; "a weighty package" |
| adj. | 2. cogent, telling, weighty | powerfully persuasive.; "a cogent argument"; "a telling presentation"; "a weighty argument" |
| ~ persuasive | intended or having the power to induce action or belief.; "persuasive eloquence"; "a most persuasive speaker"; "a persuasive argument" |
| adj. | 3. grave, grievous, heavy, weighty | of great gravity or crucial import; requiring serious thought.; "grave responsibilities"; "faced a grave decision in a time of crisis"; "a grievous fault"; "heavy matters of state"; "the weighty matters to be discussed at the peace conference" |
| ~ important, of import | of great significance or value.; "important people"; "the important questions of the day" |
| adj. | 4. weighty | weighing heavily on the spirit; causing anxiety or worry.; "weighty problems" |
| ~ heavy | marked by great psychological weight; weighted down especially with sadness or troubles or weariness.; "a heavy heart"; "a heavy schedule"; "heavy news"; "a heavy silence"; "heavy eyelids" |
| adj. | 5. corpulent, obese, rotund, weighty | excessively fat.; "a weighty man" |
| ~ fat | having an (over)abundance of flesh.; "he hadn't remembered how fat she was" |
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