In this book, you will learn the meanings of 1075 useful 10-letter words. You will also find the names of the parts of speech they belong to. I have also given synonyms for most of these words. Sample this:

01 — aberrantly [adv.] — in a manner that is unusual or socially unacceptable; departing from an accepted standard [synonym: abnormally]
02 — abhorrence [n.] — a feeling of strong hate for a way of thinking or behaving for moral reasons [synonyms: detestation, disgust, hatred, loathing, repugnance]
03 — abominable [adj.] — extremely bad or unpleasant and causing a strong feeling of dislike or disapproval [synonyms: appalling, detesting, monstrous, repulsive]
04 — abortively [adv.] — (of an action) in a manner that fails to produce the intended result [synonyms: fruitlessly, unproductively, unsuccessfully]
05 — abrogation [n.] — an act of officially canceling or ending sth such as a law, agreement, contract, decision, etc. and making them no longer valid
06 — abruptness [n.] — (a). (of an action) rapidness or unexpectedness [synonyms: hastiness, suddenness, unexpectedness] | (b). rudeness
07 — abstemious [adj.] — not allowing yourself to indulge too much in enjoyable activities such as eating food or drinking alcohol [synonym: ascetic]
08 — abstracted [adj.] — thinking deeply about sth and lacking concentration or not paying attention to what is happening around one. [synonyms: absentminded, inattentive, distracted, preoccupied]
09 — abstrusely [adv.] — in a manner that is complicated and difficult to understand especially when it could be explained in an easier way [synonyms: perplexingly, puzzlingly]
10 — accusative [adj.] — (in some languages such as Latin, Greek and German) the form of a noun, a pronoun or an adjective when it is the direct object of a verb, or objects of prepositions | [n.] — a word in the accusative case
11 — adamantine [adj.] — extremely strong; impossible to break or smash
12 — adaptively – in a manner that shows an ability to change when necessary in order to deal with different or changing situations
13 — adjectival [adj.] — containing, being, relating to or functioning as an adjective
14 — adulterous [adj.] — of or involving physical relationship (intercourse) between a married person and sb who is not their spouse or partner [synonyms: disloyal, treacherous]
15 — advantaged [adj.] — being in or having a comparatively favorable position over others in terms of a financial or social situation [synonym: privileged]
16 — adventurer [n.] — a man who enjoys taking risks or is willing to take risks with a view to acquire political power or to get success in a business, sometimes in a dishonest way
17 — affectedly [adv.] — in an insincere, pretentious and unnatural way to impress other people
18 — aggrandize [v.] — to increase power, wealth, importance or status of a person or country [synonyms: enhance; extend]
19 — aggravated [adj.] — (of crime or offense) involving further unnecessary violence or unpleasant behavior
20 — allusively [adv.] — in a manner that contains a word or phrase that makes a reference to a specific person, event, place, etc. in an indirect way
21 — amateurism [n.] — (a). practicing an activity, especially a sport, for enjoyment or interest on an unpaid basis | (b). the fact, state or quality of being unskilled or not competent at a particular activity.
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