Vocabulary and Synonyms

To interpolate means to insert or introduce something between other things or parts. The other options define different concepts: righteous (B) describes self-confidence in one's moral position, accidental (C) means by chance, and mass for the dead (D) refers to a requiem mass.

Revelry means lively, noisy, and high-spirited celebration or merrymaking. Motion is movement, achieving by trickery (C) is to wheedle, and shining erratically (D) means to flicker - none match the meaning of revelry.

To slap means to strike quickly with the palm or flat part of the hand. Climactic relates to a dramatic peak, acting stupidly is foolish behavior, and of glass means vitreous - none describe a slap.

Orientation means the act of determining one's position or adapting to society. Returning to former state (A) is regression, lover of luxury (B) is sybarite, and discipline (D) is training - none match the social adaptation meaning.

A recital is the act of performing or reciting something publicly, like music or poetry. Covering with shiny surface (A) is plating, government by elderly (B) is gerontocracy, and noisy confusion (D) is tumult - none describe a recital.

Substantial means of considerable importance, size, or worth; essentially 'of substance'. Convert (488935) is a verb, casual (488936) means relaxed, and usage (488937) is the act of using. 488938 is the most direct match.

A threat is a statement or sign of an intention to inflict pain, injury, or damage. Plentiful (488940) means abundant, usage (488941) is the manner of use, and renounce (488942) means to give up.

To lubricate is to apply a substance (like oil or grease) to minimize friction. Foul smelling (488943) is malodorous, 488945 describes stealth, and 488946 describes asceticism. Option 488944 is the literal definition.

Stealth is the cautious and surreptitious ability to move or act in secret. Thermogenic (488947) produces heat, invulnerable (488948) is not open to attack, and congeal (488950) means to solidify.

To lag means to fall behind or move more slowly than others. A smudge (488952) is a dirty mark, abnormal (488953) is a descriptor of deviation, and a palimpsest (488954) is a reused writing surface.

To vindicate means to clear someone from blame or suspicion, or to justify a claim or opinion. Loud resounding noise (A) is clamor, harass from all directions (B) is beleaguer, and lying in wait to attack (C) is ambush - none match vindication.

Sectarian relates to the differences or interests of a particular sect or group. Caustic (488964) means corrosive, 488965 refers to celibacy, and 488966 refers to vacillation. 'Of a sect' is the direct definition.

Prosperity refers to a state of being successful, especially in financial terms. A waster (488967) is someone who squanders, celibacy (488969) is abstaining from sex, and a supporter (488970) is an adherent. Good fortune is the correct definition.

Indisputable means too certain or well-established to be questioned or challenged. Mental or physical ability (A) is capacity, slingshot (B) is a weapon, and abstruse (C) means difficult to understand - none mean beyond dispute.

Premonition is a strong feeling or forewarning that something will happen, often used to describe situations involving future knowledge or prediction. Pluck means to pull something, heresy is controversial belief, and gospel refers to teachings or truth.