Antonyms of noun extension

1 of 12 senses of extension

Sense 5
extension -- (act of stretching or straightening out a flexed limb)
       Antonym of flexion (Sense 3)
      => flexion, flexure -- (act of bending a joint; especially a joint between the bones of a limb so that the angle between them is decreased)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun extension

12 senses of extension

Sense 1
extension -- (a mutually agreed delay in the date set for the completion of a job or payment of a debt; "they applied for an extension of the loan")
       => delay, hold, time lag, postponement, wait -- (time during which some action is awaited; "instant replay caused too long a delay"; "he ordered a hold in the action")

Sense 2
extension -- (act of expanding in scope; making more widely available; "extension of the program to all in need")
       => expansion, enlargement -- (the act of increasing (something) in size or volume or quantity or scope)

Sense 3
propagation, extension -- (the spreading of something (a belief or practice) into new regions)
       => dissemination, airing, public exposure, spreading -- (the opening of a subject to widespread discussion and debate)

Sense 4
extension, extension service, university extension -- (an educational opportunity provided by colleges and universities to people who are not enrolled as regular students)
       => education, instruction, teaching, pedagogy, didactics, educational activity -- (the activities of educating or instructing; activities that impart knowledge or skill; "he received no formal education"; "our instruction was carefully programmed"; "good classroom teaching is seldom rewarded")

Sense 5
extension -- (act of stretching or straightening out a flexed limb)
       => stretching -- (act of expanding by lengthening or widening)

Sense 6
extension, filename extension, file name extension -- (a string of characters beginning with a period and followed by one or more letters; the optional second part of a PC computer filename; "most applications provide extensions for the files they create"; "most BASIC files use the filename extension .BAS")
       => string -- (a linear sequence of symbols (characters or words or phrases))

Sense 7
reference, denotation, extension -- (the most direct or specific meaning of a word or expression; the class of objects that an expression refers to; "the extension of `satellite of Mars' is the set containing only Demos and Phobos")
       => meaning, substance -- (the idea that is intended; "What is the meaning of this proverb?")

Sense 8
extension -- (the ability to raise the working leg high in the air; "the dancer was praised for her uncanny extension"; "good extension comes from a combination of training and native ability")
       => property -- (a basic or essential attribute shared by all members of a class; "a study of the physical properties of atomic particles")
       => dance -- (an artistic form of nonverbal communication)

Sense 9
extension, lengthiness, prolongation -- (amount or degree or range to which something extends; "the wire has an extension of 50 feet")
       => longness -- (the property of being of long spatial extent; "one gene causes shortness and the other causes longness")

Sense 10
extension, telephone extension, extension phone -- (an additional telephone set that is connected to the same telephone line)
       => telephone, phone, telephone set -- (electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds; "I talked to him on the telephone")

Sense 11
elongation, extension -- (an addition to the length of something)
       => addition, add-on, improver -- (a component that is added to something to improve it; "the addition of a bathroom was a major improvement"; "the addition of cinnamon improved the flavor")

Sense 12
annex, annexe, extension, wing -- (an addition that extends a main building)
       => addition, add-on, improver -- (a component that is added to something to improve it; "the addition of a bathroom was a major improvement"; "the addition of cinnamon improved the flavor")