1. indeterminable - Noun
2. indeterminable - Adjective
3. indeterminable - Adjective Satellite
Not determinable; impossible to be determined; not to be definitely known, ascertained, defined, or limited.
An indeterminable thing or quantity.
Source: Webster's dictionaryLangley seemed prepared for anything, even for an indeterminable number of universes interfused - physics stark mad in metaphysics. Henry Adams
In the new pattern of thought we do not assume any longer the detached observer, occurring in the idealizations of this classical type of theory, but an observer who by his indeterminable effects creates a new situation, theoretically described as a new state of the observed system. Wolfgang Pauli