extent - the distance or area or volume over which something extends; "the vast extent of the desert"; "an orchard of considerable extent"

knife-edge - a narrow boundary; "he lived on a knife-edge between genius and insanity"

heat barrier, thermal barrier - a limit to high speed flight imposed by aerodynamic heating

level best, utmost, uttermost, maximum - the greatest possible degree; "he tried his utmost"

verge, brink - the limit beyond which something happens or changes; "on the verge of tears"; "on the brink of bankruptcy"

end, ending - the point in time at which something ends; "the end of the year"; "the ending of warranty period"

boundary, bounds, bound - the line or plane indicating the limit or extent of something

city limit, city limits - the limits of the area occupied by a city or town

upper limit - the limit on the upper (or northernmost) side of something

lower limit - the limit on the lower (or southernmost) side of something

three-mile limit - the limit of a nation's territorial waters

extremity - the outermost or farthest region or point

maximum - the point on a curve where the tangent changes from positive on the left to negative on the right

minimum - the point on a curve where the tangent changes from negative on the left to positive on the right

reach, range - the limits within which something can be effective; "range of motion"; "he was beyond the reach of their fire"

indefinite quantity - an estimated quantity

range - the limits of the values a function can take; "the range of this function is the interval from 0 to 1"

indefinite quantity - an estimated quantity

peak, extremum - the most extreme possible amount or value; "voltage peak"

cutoff - a designated limit beyond which something cannot function or must be terminated

tighten, reduce - narrow or limit; "reduce the influx of foreigners"

tie - limit or restrict to; "I am tied to UNIX"; "These big jets are tied to large airports"

gate - restrict (school boys') movement to the dormitory or campus as a means of punishment

draw a line, draw the line - reasonably object (to) or set a limit (on); "I draw the line when it comes to lending money to friends!"

mark off, mark out - set boundaries to; "mark out the territory"

harness, rein, rule - keep in check; "rule one's temper"

baffle, regulate - check the emission of (sound)

hamper, cramp, halter, strangle - prevent the progress or free movement of; "He was hampered in his efforts by the bad weather"; "the imperilist nation wanted to strangle the free trade between the two small countries"

tighten up, constrain, stiffen, tighten - restrict; "Tighten the rules"; "stiffen the regulations"

clamp down, crack down - repress or suppress (something regarded as undesirable); "The police clamped down on illegal drugs"

inhibit - limit the range or extent of; "Contact between the young was inhibited by strict social customs"

constrain, cumber, encumber, restrain - hold back

curb, hold in, control, moderate, contain, check, hold - lessen the intensity of; temper; hold in restraint; hold or keep within limits; "moderate your alcohol intake"; "hold your tongue"; "hold your temper"; "control your anger"

hold down - restrain; "please hold down the noise so that the neighbors can sleep"

keep down, number - place a limit on the number of

cap - restrict the number or amount of; "We had to cap the number of people we can accept into our club"

curtail, restrict, curb, cut back - place restrictions on; "curtail drinking in school"

minify, decrease, lessen - make smaller; "He decreased his staff"

delimitate, demarcate, delimit - set, mark, or draw the boundaries of something

content - satisfy in a limited way; "He contented himself with one glass of beer per day"

ration - restrict the consumption of a relatively scarce commodity, as during war; "Bread was rationed during the siege of the city"

quantify - use as a quantifier

choose, pick out, select, take - pick out, select, or choose from a number of alternatives; "Take any one of these cards"; "Choose a good husband for your daughter"; "She selected a pair of shoes from among the dozen the salesgirl had shown her"

name - mention and identify by name; "name your accomplices!"

reset - set anew; "They re-set the date on the clock"

define - give a definition for the meaning of a word; "Define `sadness'"