As adjectives the difference between nebulous and cryptic

is that nebulous is in the form of a cloud or haze; hazy while cryptic is having hidden meaning.

As a noun cryptic is

(informal) a cryptic crossword.

As adjectives the difference between stubborn and ignorant

is that stubborn is refusing to move or to change one's opinion; obstinate; firmly resisting while ignorant is unknowledgeable or uneducated; characterized by ignorance.

As a noun ignorant is

ignorant person, ignoramus.

As nouns the difference between ideogram and phonogram

is that ideogram is a symbol which represents the idea of something without indicating the sequence of sounds used to pronounce it. Examples include numerals, many Chinese characters, traffic signs, and graphic symbols such as & and @ while phonogram is a group of letters which share the same letter combination associated with a sound, such as rhyming words.

As an adjective untrammeled

is not limited or restricted; unrestrained; limitless.

As a verb pinioned is

(pinion).

As an adjective corroborative

is serving to corroborate.

As a noun corroborative

is (dated) a medical tonic; a corroborant.

As a verb ascertain is

to find out definitely; to discover or establish.

As verbs the difference between defrost and defrosted

is that defrost is to remove frost from while defrosted is past tense of defrost.

Defrozon is often a misspelling of defrost.

Defrozon has no English definition.

As a verb defrost

is to remove frost from.

As a noun resignation

is resignation (state of uncomplaining frustration).

As an adjective acceptable is

capable, worthy, or sure of being accepted or received with pleasure; pleasing to a receiver; gratifying; agreeable; welcome; as, an acceptable'' present, one ''acceptable to us.

As a noun languor

is (uncountable) a state of the body or mind caused by exhaustion or disease and characterized by a languid feeling: lassitude.

As a verb fatigue is

.

As an adjective fatigue is

tired.