from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Without grammatical inflection.
- adj. Of or being a word that lacks grammatical inflection though belonging to a form class whose members are usually inflected.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. not grammatically inflected, especially if others of its class are usually inflected
- n. A word that is not grammatically inflected.
from the GNU version of the Collaborative International Dictionary of English
- adj. Not declinable; not varied by inflective terminations.
from The Century Dictionary and Cyclopedia
- In grammar, not declinable; not varied by declension; showing no variety of form for case, number, or the like.
- n. In grammar, a word that is not declined.
A statement was put forward on Vicipaedia for gas, indeclinable, as the Latin term, because the located scientific usages of the term in Latin texts (from 1652, which even gives the etymology) are just that.
By 1794, writers of scientific Latin, perhaps fed up with the non-Latin sound of gas as an indeclinable, had changed to gas, - is, a noun of the third declension.
In politics, reform is an indeclinable and urgent task to bring about changes in legislation so that our young democracy can move forward, strengthen the direction taken by political parties and fine-tune our institutions, restoring values and providing more transparency in all types of public activity.
Actually, Jesus is indeclinable, so the plural would be Jesus.
Hillbilly, the word for seven in Latin, septem, is indeclinable, so you can't use sevi to say multiple sevens.
In the second line saraddham is not an indeclinable; or, if it be taken as such, the sense may still remain unaltered.
The adjective is here put in the ablative, to denote the place where, and in the neuter gender, _humi_ being regarded as indeclinable.
Mīlle is regularly an adjective in the Singular, and indeclinable.
A very few indeclinable adjectives occur, the chief of which are frūgī,
In the records of the trullan Council (692) we meet the name of Marianus, Bishop of Kitharizon (or Kithariza), for the name seems to have been indeclinable (Lequien, I, 453).