different between immobile vs rigid

English

Etymology

From Old French immobile, from Latin imm?bilis.

Pronunciation

Adjective

immobile (not comparable)

1. not mobile, not movable
2. fixed, unable to be moved

Synonyms

• fixed
• sessile (botany)
• unmovable

Antonyms

• mobile

Derived terms

Translations

French

Etymology

From Old French immobile, from Latin imm?bilis.

Pronunciation

• IPA^(key): /i.m?.bil/

Adjective

immobile (plural immobiles)

1. motionless, unmoving, still, stationary
2. immovable, immobile
3. invariable

Related terms

Further reading

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

German

Pronunciation

Adjective

immobile

1. inflection of immobil:
   1. strong/mixed nominative/accusative feminine singular
   2. strong nominative/accusative plural
   3. weak nominative all-gender singular
   4. weak accusative feminine/neuter singular

Italian

Etymology

Borrowed from Latin imm?bilis (“immobile, immovable”).

Pronunciation

• IPA^(key): /im?m?.bi.le/
• Rhymes: -?bile

Adjective

immobile (plural immobili)

1. still, motionless, stationary
2. immovable, immobile

Antonyms

• mobile

Derived terms

• immobilmente

Noun

immobile m (plural immobili)

1. real estate, immovable property, building, immovables

   Synonyms: bene immobile, proprietà, (building) edificio, casa, caseggiato, costruzione, palazzo, fabbricato

Related terms

Latin

Pronunciation

• (Classical) IPA^(key): /im?mo?.bi.le/, [?m?mo?b????]
• (Ecclesiastical) IPA^(key): /im?mo.bi.le/, [im?m??bil?]

Adjective

imm?bile

1. nominative/accusative/vocative neuter singular of imm?bilis

References

• immobile in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)

English

Etymology

From Middle English rigide, from Latin rigidus (“stiff”), from rige? (“I am stiff”). Compare rigor. Merged with Middle English rigged, rygged, rugged (“upright like a spine, rigid”, literally “ridged”), from ridge +? -ed.

Pronunciation

• IPA^(key): /???d??d/
• Rhymes: -?d??d

Adjective

rigid (comparative rigider or more rigid, superlative rigidest or most rigid)

1. Stiff, rather than flexible.

   Synonym: inflexible

   Antonym: flexible

2. Fixed, rather than moving.
   • 2011, David Foster Wallace, The Pale King,Penguin Books, page 5:

     A sunflower, four more, one bowed, and horses in the distance standing rigid and still as toys.

   Antonym: moving

3. Rigorous and unbending.
4. Uncompromising.

   Antonym: compromising

Derived terms

Related terms

Translations

Noun

rigid (plural rigids)

1. (aviation) An airship whose shape is maintained solely by an internal and/or external rigid structural framework, without using internal gas pressure to stiffen the vehicle (the lifting gas is at atmospheric pressure); typically also equipped with multiple redundant gasbags, unlike other types of airship.

2. A bicycle with no suspension system.

Synonyms

(airship):

• Zeppelin (broad sense)

Hyponyms

(airship):

• Zeppelin (narrow sense)

Hypernyms

(airship):

• dirigible

Coordinate terms

(airship):

• nonrigid
• semirigid

References

• rigid in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• rigid in The Century Dictionary, New York, N.Y.: The Century Co., 1911.

Old Irish

Etymology 1

From Proto-Celtic *regeti (“to stretch”), from Proto-Indo-European *h?re?- (“to straighten, right oneself”).

Verb

rigid (conjunct ·reig or ·raig)

1. to stretch, to distend
   • c. 800–825, Diarmait, Milan Glosses on the Psalms, published in Thesaurus Palaeohibernicus (reprinted 1987, Dublin Institute for Advanced Studies), edited and with translations by Whitley Stokes and John Strachan, vol. I, pp. 7–483, Ml. 20^a23

Inflection

Derived terms

Descendants

• Middle Irish: rigid
  • Irish: righ (“to stretch”)

Etymology 2

From Proto-Celtic *rigeti (“bind”), from Proto-Indo-European *rey?- (“to bind, reach”).

Verb

rigid (conjunct ·rig)

1. to rule, direct
   • c. 700, Críth Gablach, published in Críth Gablach (1941, Dublin: Stationery Office), edited by Daniel Anthony Binchy, §30

   • c. 800-840, Orthanach, A Chóicid chóem Chairpri chrúaid from the Book of Leinster, LL line 6094

Derived terms

Descendants

• Middle Irish: rigid

References

Further reading

• Gregory Toner, Maire Ní Mhaonaigh, Sharon Arbuthnot, Dagmar Wodtko, Maire-Luise Theuerkauf, editors (2019) , “1 rigid”, in eDIL: Electronic Dictionary of the Irish Language (both etymologies)
• Gregory Toner, Maire Ní Mhaonaigh, Sharon Arbuthnot, Dagmar Wodtko, Maire-Luise Theuerkauf, editors (2019) , “2 rigid”, in eDIL: Electronic Dictionary of the Irish Language (as root of derivatives of Etymology 2)

Romanian

Etymology

From French rigide.

Adjective

rigid m or n (feminine singular rigid?, masculine plural rigizi, feminine and neuter plural rigide)

1. rigid

Declension

Related terms

• rigiditate