Synonyms of the word

mastered

• v. simple past tense and past participle of master.
• v. (of a skill) To reach a high level of competency.

down

• n. (especially southern England) A hill, especially a chalk hill; rolling grassland.
• n. (usually in the plural) A field, especially one used for horse racing.
• n. (Britain, chiefly in the plural) A tract of poor, sandy, undulating or hilly land near the sea, covered…
• n. (slang, rare, countable) A penis.
• adv. (comparable) From a higher position to a lower one; downwards.
• adv. (comparable) At a lower and/or further along or away place or position along a set path.
• adv. South (as south is at the bottom of typical maps).
• adv. (Ireland) Away from the city (even if the location is to the North).
• adv. Into a state of non-operation.
• adv. To a subordinate or less prestigious position or rank.
• adv. (rail transport) In the direction leading away from the principal terminus, away from milepost zero.
• adv. (sentence substitute, imperative) Get down.
• adv. (Britain, academia) Away from Oxford or Cambridge.
• adv. From a remoter or higher antiquity.
• adv. From a greater to a less bulk, or from a thinner to a thicker consistence.
• adv. From less to greater detail.
• adv. (intensifier) Used with verbs to add emphasis to the action of the verb.
• adv. Used with verbs to indicate that the action of the verb was carried to some state of completion, rather…
• prep. From the higher end to the lower of.
• prep. From one end to another of.
• adj. Depressed, feeling low.
• adj. At a lower level than before.
• adj. Having a lower score than an opponent.
• adj. (baseball, colloquial, following the noun modified) Out.
• adj. (colloquial) With "on", negative about, hostile to.
• adj. (not comparable, US, slang) Comfortable with, accepting of.
• adj. (not comparable) Inoperable; out of order; out of service.
• adj. Finished (of a task); defeated or dealt with (of an opponent or obstacle); elapsed (of time). Often coupled…
• adj. (not comparable, military, law enforcement, slang, of a person) Wounded and unable to move normally; killed.
• adj. (not comparable, military, aviation, slang, of an aircraft) Mechanically failed, collided, shot down,…
• adj. Thoroughly practiced, learned or memorised; mastered. (Compare down pat.).
• adj. (obsolete) Downright; absolute; positive.
• v. (transitive) To drink or swallow, especially without stopping before the vessel containing the liquid…
• v. (transitive) To cause to come down; to knock down or subdue.
• v. (transitive, pocket billiards) To put a ball in a pocket; to pot a ball.
• v. (transitive, American football) To bring a play to an end by touching the ball to the ground or while…
• v. (transitive) To write off; to make fun of.
• v. (obsolete, intransitive) To go down; to descend.
• n. A negative aspect; a downer.
• n. (dated) A grudge (on someone).
• n. An act of swallowing an entire drink at once.
• n. (American football) A single play, from the time the ball is snapped (the start) to the time the whistle…
• n. (crosswords) A clue whose solution runs vertically in the grid.
• n. A downstairs room of a two-story house.
• n. Down payment.
• n. Soft, fluffy immature feathers which grow on young birds. Used as insulating material in duvets, sleeping…
• n. (botany) The pubescence of plants; the hairy crown or envelope of the seeds of certain plants, such as…
• n. The soft hair of the face when beginning to appear.
• n. That which is made of down, as a bed or pillow; that which affords ease and repose, like a bed of down.
• v. (transitive) To cover, ornament, line, or stuff with down.

perfect

• adj. Fitting its definition precisely.
• adj. Having all of its parts in harmony with a common purpose.
• adj. Without fault or mistake; thoroughly skilled or talented.
• adj. Excellent and delightful in all respects.
• adj. (grammar, of a tense or verb form) Representing a completed action.
• adj. (biology) Sexually mature and fully differentiated.
• adj. (botany) Of flowers, having both male (stamens) and female (carpels) parts.
• adj. (analysis) Of a set, that it is equal to its set of limit points, i.e. set A is perfect if A=A'.
• adj. (music) Describing an interval or any compound interval of a unison, octave, or fourths and fifths that…
• adj. (of a cocktail) Made with equal parts of sweet and dry vermouth.
• adj. (obsolete) Well informed; certain; sure.
• n. (grammar) The perfect tense, or a form in that tense.
• v. (transitive) To make perfect; to improve or hone.
• v. (law) To take an action, usually the filing of a document in the correct venue, that secures a legal right.