Unable to be understood; unintelligible.
Incapable or deprived of physical sensation.
Unable to be perceived by the senses.
Incapable of mental feeling; indifferent.
Not sensible or reasonable; meaningless.
Incapable of emotional feeling; callous; apathetic.
unvoiced; voiceless
Involving surds, or irrational numbers; not capable of being expressed in rational numbers.
An irrational number, especially one expressed using the √ symbol.
A voiceless consonant.