What's the difference between indescribable and termless?

Indescribable

Definition:

(a.) Incapable of being described.

Example Sentences:

(1) Blyth said what the children were subjected to was “indescribably awful”.
(2) Once more unto the valley of the kings, then, as another Silicon monopolist issues a decree, in this case to the indescribably junior entity that is Norway.
(3) "So the thrill of being able to declare that two people of the same sex are actually married is indescribable."
(4) Michael Haefliger, Executive and Artistic Director of the Lucerne Festival , said today, "We are profoundly grateful to Claudio Abbado for all the magnificent, unforgettable, and indescribable experiences that he gave us in the past 47 years.
(5) "The indescribable events here amount to the worst form of terrorism.
(6) She added: "I still cannot go into her bedroom to sort out her clothes, because the pain of her not being there is indescribable."
(7) Trillaphon was a name for an antidepressant, the bad thing was the mostly indescribable interior sense of being constantly underwater with no surface, or of "every cell in your body being sick to its stomach".
(8) The persistent, often almost indescribable quality of the distress suggests a central disturbance of the mechanism of pain experience involving the limbic system and the endogenous opiates.
(9) I never thought I’d live to see the day that something so terrible, so indescribable would happen in Paris,” Franck, a customer in a bar near the Bataclan told BFMTV.
(10) US president Barack Obama also issued a statement saying: "As a father, I cannot imagine the indescribable pain that the parents of these teenage boys are experiencing."
(11) In November, Breivik wrote a long letter complaining about the conditions in which he was being held, describing the pen he was forced to write with as "an almost indescribable manifestation of sadism".
(12) The pain me and my family have been through is indescribable and it is particularly saddening that all this happened because I was following procedure, and simply doing my job without fear or favour.
(13) Nonpareil voluptuousness, intoxication indescribable!
(14) It is war – it is indescribable,” said Pierre Meys, spokesman for the Brussels fire department.
(15) The experience of coping with lung cancer--from diagnosis to treatment to inevitable death--is indescribably difficult for the cancer patient.
(16) "It seems so unfair that I have to have an epidural now, when I didn't have it when the pain was so indescribably awful," she says weakly.
(17) And yet it is hard to describe – indescribable, until you're up there, looking down – because the mountain is something other than its substance, something more.
(18) There was indescribable chaos, and there were victims everywhere,” Alphonse Youla, a baggage handler, told Belgian TV.
(19) The heartache it puts prospective parents through is indescribable.
(20) It is almost impossibly, indescribably romantic and really does rank as a once-in-a-lifetime holiday.