different between tractable vs inconstant

English

Etymology

From Latin tract?bilis (“that may be touched, handled, or managed”), from tract? (“take in hand, handle, manage”), frequentative of trah? (“draw”).

Pronunciation

• (UK, US) IPA^(key): /?t?æk.t?.b?l/

Adjective

tractable (comparative more tractable, superlative most tractable)

1. (of people) Capable of being easily led, taught, or managed.

   Synonyms: docile, manageable, governable
2. (of a problem) Easy to deal with or manage
   • 1839, Charles Dickens Nicholas Nickleby, ch. 61:

     Of all the tractable, equal-tempered, attached, and faithful beings that ever lived, I believe he was the most so.
3. Capable of being shaped; malleable.
   • 1866, P. Le Neve Foster, "Report on the Art-Workmanship Prizes", reprinted in Journal of the Society of Arts, March 2, 1966:

     I need not point out the advantages of modelling in a material as durable as stone. . . . Mixed up with just enough water to form a stiff paste, it accommodates itself to the touch of the modelling tool. . . . There are two inherent difficulties in using it—one, it is not so tractable as clay. . . .

4. (obsolete) Capable of being handled or touched.

   Synonyms: palpable, practicable, feasible, serviceable

   • 1707, Thomas Brown, "Moll Quarles's Answer to Mother Creswell of Famous Memory" in The Second Volume of the Works of Mr. Tho. Brown, containing Letters from the Dead to the Living both Serious and Comical, part three, page 184:

     At lea?t five Hundred of the?e reforming Vultures are daily plundering our Pockets, and ran?acking our Hou?es, leaving me ?ometimes not one pair of Tractable Buttocks in my Vaulting-School to provide for my Family, or earn me ?o much as a Pudding for my next Sundays Dinner : [...]

5. (mathematics) Sufficiently operationalizable or useful to allow a mathematical calculation to proceed toward a solution.
   • 1987, Ira Horowitz, "Market Structure Implications of Export-Price Uncertainty," Managerial and Decision Economics, vol. 8, no. 2, p. 134:

     This assumption is in the Raiffa and Schlaifer (1961, p. 72) spirit of using ‘a little ingenuity. . . to find a tractable function’ to quantify risk-preferences and probability judgments so as to make the analysis feasible.

6. (computer science, of a decision problem) Algorithmically solvable fast enough to be practically relevant, typically in polynomial time.

Antonyms

• intractable

Related terms

• tractability
• tractableness
• tractably

Translations

References

• tractable at OneLook Dictionary Search

English

Alternative forms

• inconstaunt (obsolete)

Etymology

From Middle French inconstant

Adjective

inconstant (comparative more inconstant, superlative most inconstant)

1. Not constant; wavering.
2. Unfaithful to a lover.

Translations

Catalan

Etymology

From in- +? constant.

Pronunciation

• (Balearic, Valencian) IPA^(key): /i?.kons?tant/
• (Central) IPA^(key): /i?.kuns?tan/

Pronunciation

• Rhymes: -ant

Adjective

inconstant (masculine and feminine plural inconstants)

1. inconstant

   Antonym: constant

Related terms

• inconstància

Further reading

• “inconstant” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.
• “inconstant” in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana.
• “inconstant” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
• “inconstant” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.

French

Etymology

From in- +? constant.

Adjective

inconstant (feminine singular inconstante, masculine plural inconstants, feminine plural inconstantes)

1. inconstant

Further reading

• “inconstant” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Romanian

Etymology

From French inconstant.

Adjective

inconstant m or n (feminine singular inconstant?, masculine plural inconstan?i, feminine and neuter plural inconstante)

1. inconstant

Declension