"Rampant" means "widespread" or uncontrolled, such as a rampant wildfire or the rampant spread of disease. "Analogous" means comparable or similar, while "abhorrent" means loathsome or repellent. "Meticulous" is another word for fastidious, extremely attentive to detail. "Ephemeral" means transitory, fleeting.

"Incipient" describes something that is in an early or initial phase, that's "emergent" or just beginning to coalesce. "Antiquated" means old-fashioned, and "obsequious" means sycophantic or servile. "Fecund" means fertile, productive. "Extemporaneous" is a synonym for "impromptu," unplanned.

"Ecumenical" and "catholic" both mean all-encompassing, universal. (Don't confuse catholic with "Catholic," a specific religious denomination.) "Germane" is an antonym for "irrelevant." "Exuberant" means overjoyed, while "tyrannical" means authoritarian and cruel.

"Lapidary" means "elegant," particularly in a way that is concise. (In fact, the word was originally used to describe jewelers' precise and beautiful work with gemstones.) "Smug" means self-satisfied, and "multitudinous" means numerous or prolific. This is an antonym for "scanty," which means scarce. "Inchoate" describes something that is new and not yet fully formed.

Something "autochthonous" is native or indigenous to a particular area, the opposite of an "immigrant." "Chary" means cautious, wary. "Despotic" is a synonym for "tyrannical," and "excessive" means too much. "Measly" is another word for paltry or too little.

"Interminable" means ceaseless or long-lasting. "Effervescent" is a synonym for "bubbly," and "charitable" is a synonym for "philanthropic." "Fallacious" and "erroneous" are synonyms that both mean false or mistaken.

"Irksome" is a synonym for bothersome or irritating. Don't confuse this with "irascible," or ill-tempered. "Secretive" is another word for "furtive, "and "garish" is a synonym for "tawdry." "Burnished" means well-polished and gleaming.

"Insipid" can mean "uninteresting," dull, or unimaginative, such as an "insipid joke." "Unequivocal" means unambiguous, and "erratic" means unpredictable. "Measly" and "paltry" are synonyms for small, insufficient.

Something "incongruous" is unsuited, "clashing," or out of place. Don't confuse "incongruous" with "languorous," which means lethargic, tired, or torpid. "Ailing" means ill or sickly. "Disjunctive" means disconnected.

"Expository" writing, for example, is writing intended to explain or explicate. "Laudatory" is a synonym for "complimentary" or congratulatory. "Forbidding" means threatening, while "adulterated" means contaminated. "Gravid" is a synonym for "pregnant."