Batch 4 vocabulary: 20 words with meanings

The 20 words in batch 4, each with a plain-English meaning. Tap a word for its picture card, example sentence, synonyms, antonyms and memory tip.

Ascertain v.to find out something for certain, especially by investigating
Conform v.to follow accepted rules, standards, or customs; to match a pattern
Confound v.to surprise or confuse someone, especially by acting against their expectations
Contingent adj.dependent on certain conditions or events; possible but not certain
Deplete v.to use up or greatly reduce the supply of something
Disregard v.to pay no attention to; to ignore
Fraudulent adj.obtained or done by deception, especially to gain money or advantage
Mandatory adj.required by a law or rule; compulsory
Orthodox adj.following the traditional or generally accepted beliefs or practices
Palpable adj.so intense or obvious that it can almost be touched or felt
Paucity n.the presence of something in only small or insufficient amounts; scarcity
Permissible adj.allowed or permitted by the rules
Petition v.to make a formal request to an authority, often in writing
Posterior adj.coming later in time or order; also, located behind or at the back
Prodigious adj.remarkably or impressively great in size, extent, or degree
Rudimentary adj.basic, simple, or undeveloped; involving only the first principles
Substantiate v.to provide evidence to support or prove the truth of something
Underscore v.to emphasize or draw attention to something
Verisimilitude n.the appearance of being true or real
Zenith n.the highest point or time of greatest success; also, the point in the sky directly overhead