forebode, foreboded, foreboding, forebodes.verbs
transitive verb use.to indicate the likelihood of; portend: harsh words that foreboded estrangement; to have a premonition of (a future misfortune)
intransitive verb use.to prophesy or predict
foreboder-noun

foreboding, forebodingness.nouns
presentiment especially of coming evil; portent; a sense of impending evil; apprehension
foreboding.adjective
indicative of or marked by foreboding 
forebodingly.adverb

foreshadow, foreshadowed, foreshadowing, foreshadows.transitive verbs
to present an indication or a suggestion of beforehand; antitype; presage; omen
foreshadower.noun

forgive.verb
inflected form(s).forgave, forgiven, forgiving
forgiveness-–the act of forgiving; giving for another that which keeps him in a right stead with you after he has done something to separate the relationship
transitive verb senses.to give up resentment of or claim to requital for (forgive an insult); to grant relief from payment of (forgive a debt); to cease to feel resentment against (an offender); pardon (forgive one's enemies)
intransitive verb senses.to grant forgiveness
synonyms.to excuse; to pardon
forgiver.noun
forgivable.adjective
forgivably.adverb

forlorn.adjective
forsaken; bereft.(left quite forlorn of hope); sad and lonely because of isolation or desertion; desolate; being in poor condition; miserable; wretched (forlorn tumbledown buildings); nearly hopeless (a forlorn attempt) 
forlornness.noun
forlornly.adverb
synonym-alone

format.noun
a plan for the organization and arrangement of a specified production; the material form or layout of a publication; Computer Science – the arrangement of data for storage or display; a method for achieving such an arrangement
format, formatted, formatting, formats.transitive verbs
to plan or arrange in a specified form
Computer Administration.–.to divide (a disk) into marked sectors so that it may store data; to determine the arrangement of (data) for storage or display

formation.noun
a forming or being formed; a thing formed
formative.adjective
able to give form; helping to shape, develop or mold

formidable.adjective
hard to handle or overcome 
formidability.noun
formidably.adverb

far, farther or further, farthest or furthest.adverbs
to, from, or at considerable distance (a cat that had strayed far from home); to or at a specific distance, degree, or position: (just how far are you taking this argument?); to a considerable degree; much (felt far better yesterday; eyes that seemed far too close together); not at all; anything but (seems far from content; a test of strength that was far from a failure); to an advanced point or stage (a brilliant student who will go far)
far, farther or further, farthest or furthest.adjectives
being at considerable distance; remote (a far country); going back a considerable extent in time (the far past); distant; more distant than another (the far corner); extensive or lengthy (a far trek); far seeing and comprehensive in thought or outlook (a commander of far vision); marked by political views of the most advanced or extreme nature (the far left or right); being on the right side of an animal or a vehicle; being the animal or vehicle on the right
idiom-as far as
to or at a specific point, degree, or extent (hey will arrive at nine, as far as we know)
idiom-by far
to the most extreme or evident degree (he is by far the best executive in the company
idiom-far and away
by a great margin (that made him, far and away, the best known of the musicians in the competition)
idiom-far cry
a long way (the climate in Alaska is a far cry from that of Florida)
idiom-how far
to what degree, distance, or extent (didn't know how far to believe them; tried to decide how far she could ski in such cold)
idiom-so far
up to the present moment (so far there's been no word from them); to a limited extent (you can go only so far on five dollars)
idiom-thus far
up to this point; so far (our success has been limited thus far)
farther.adverb-a comparative of far
to or at a more distant or remote point (ran farther than the others); to or at a more advanced point or stage (I went no farther that day); to a greater extent or degree (carried the idea farther)
farther.adjective-a comparative of far
more distant; remoter (the farther shore)
USAGE NOTE: according to a rule of relatively recent origin, farther should be reserved for physical distance and further for advancement along a nonphysical dimension
farthest.adjective-a superlative of far
most remote or distant
farthest.adverb-a superlative of far
to or at the most distant or remote point; to or at the most advanced point or stage; by the greatest extent or degree
further.adjective-a comparative of far
more distant in degree, time, or space (a result that was further from our expectations than last time; the further lamppost) ; additional (a further example; a further delay)
further.adverb-a comparative of far
to a greater extent; more (considered further the consequences of her actions) in addition; furthermore (he stated further that he would not cooperate with the committee); at or to a more distant or advanced point (went only three miles further; reading five pages further tonight) 
further, furthered, furthering, furthers.transitive verbs
to help the progress of; advance
furtherer.noun
furthest.adjective.a superlative of far
most distant in degree, time, or space (that's the furthest thing from my mind; they explored the furthest reaches of space)
furthest.adverb.a superlative of far
fo the greatest extent or degree (went the furthest of all the children in her education) at or to the most distant point in space or time (he swam the furthest)
 
far-fetched.adjective
not readily believable because of improbable elements therein (a far-fetched analogy; a far-fetched excuse)

fossilize, fossilized, fossilizing, fossilizes.verbs
transitive use.to convert into a fossil; to make outmoded or inflexible with time; antiquate 
intransitive use.to become a fossil
fossilization.noun
fossil.noun
a remnant or trace of an organism of a past geologic age, such as a skeleton or leaf imprint, embedded and preserved in the earth's crust
fossil.adjective
characteristic of or having the nature of a fossil; being or similar to a fossil; belonging to the past; antiquated. (from Latin fossilis, dug up, from fossus, past participle of fodere, to dig)

frustrate, frustrated, frustrating, frustrates.transitive verbs
to prevent from accomplishing a purpose or fulfilling a desire; thwart.(a persistent wind frustrated my attempt to rake the lawn); to make ineffectual or invalid; nullify
frustratingly.adverb
frustrater.noun
frustration.noun
the act of frustrating or an instance of being frustrated; the state of being frustrated; something that serves to frustrate