gauge 1. [ verb ] (mathematics) form an opinion about; judge tentatively; form an estimate of, esp. quantities or time Synonyms: estimate judge guess approximate Examples: "I estimate this chicken to weigh at three pounds" Related terms: calculate place give misgauge lowball quantise guesstimate assess truncate make reckon overestimate lowball estimate estimate appraisal evaluator guess estimate guesser To share this definition press "text" (Facebook, Twitter) or "link" (blog, mail) then paste text link 2. [ noun ] a measuring instrument for measuring and indicating a quantity such as the thickness of wire or the amount of rain etc. Synonyms: gage Related terms: measuring_instrument dipstick gas_gauge vacuum_gauge pressure_gauge rain_gauge strain_gauge surface_gauge depth_gauge water_gauge wire_gauge anemometer 3. [ verb ] (law) adapt to a specified measurement Examples: "gauge the instruments" Related terms: standardize 4. [ noun ] (arms) diameter of a tube or gun barrel Synonyms: caliber calibre bore Related terms: diameter calibrate 5. [ noun ] the thickness of wire Related terms: thickness 6. [ verb ] measure precisely and against a standard Examples: "the wire is gauged" Related terms: quantify standard_of_measurement 7. [ noun ] accepted or approved instance or example of a quantity or quality against which others are judged or measured or compared Synonyms: standard_of_measurement Related terms: standard 8. [ verb ] mix in specific proportions Examples: "gauge plaster" Related terms: blend 9. [ verb ] determine the capacity, volume, or contents of by measurement and calculation Examples: "gauge the wine barrels" Related terms: determine 10. [ verb ] rub to a uniform size Examples: "gauge bricks" Related terms: rub 11. [ noun ] the distance between the rails of a railway or between the wheels of a train Related terms: distance narrow_gauge standard_gauge broad_gauge Similar spelling: gage   gag   gaze   Gase   gaga   gauze   Gause   gaius   gauche   gas