Guile (noun) Clever and cunning deceit used to trick or manipulate someone.
Example: The old merchant relied on guile rather than force to get the better price out of every customer.
Mnemonic: Guile rhymes with 'smile' — picture a sly, smiling trickster who gets what they want through cunning rather than force.
Gullible (adjective) Easily fooled or tricked because of being too trusting.
Example: The gullible tourist paid triple the normal price after believing the vendor's obviously exaggerated claims.
Mnemonic: Gullible sounds like 'gull,' a seabird famous for swallowing almost anything tossed its way — a gullible person swallows any story without question.
Hackneyed (adjective) So overused that it has lost all originality and impact; clichéd.
Example: The critic dismissed the film's plot as hackneyed, pointing out that the 'chosen one' trope had been done a thousand times.
Mnemonic: 'Hackney' once meant an ordinary horse rented out again and again for everyday errands — a hackneyed phrase has been ridden so many times that it's worn completely thin.
Harbinger (noun) A person or thing that signals or foreshadows something about to happen.
Example: The first robin of the season is often seen as a harbinger of spring.
Mnemonic: A harbinger once meant a person sent ahead of an army to arrange lodging; today it's anything that arrives first to announce what's coming.
Haughty (adjective) Arrogantly proud and looking down on others as inferior.
Example: The haughty critic dismissed the young chef's dish without even finishing a single bite.
Mnemonic: Haughty sounds like 'high-ty' — a haughty person holds their nose high in the air, looking down on everyone else.
Hedonism (noun) The pursuit of pleasure and self-gratification as the most important goal in life.
Example: After years of quiet discipline, his sudden turn toward hedonism surprised everyone who knew him.
Mnemonic: The word comes from the Greek term for pleasure — a hedonist chases pleasure the same way a hedonism-themed vacation chases nothing but fun.
Heterogeneous (adjective) Made up of parts or elements that are very different from one another.
Example: The neighborhood's heterogeneous mix of restaurants, from Ethiopian to Peruvian, reflected its diverse population.
Mnemonic: 'Hetero-' means different, and 'genos' means kind or type (as in 'genus') — heterogeneous describes a mix made of very different kinds all thrown together.
Histrionic (adjective) Overly theatrical or dramatic in a way that seems exaggerated and insincere.
Example: Her histrionic reaction to the minor inconvenience made the whole office stop and stare.
Mnemonic: The word comes from the Latin term for actor — a histrionic person behaves as though performing a dramatic scene on stage rather than simply living real life.
Hyperbole (noun) Exaggerated language not meant to be taken literally, used for emphasis or effect.
Example: When she said she'd told him a million times, that was pure hyperbole, not an actual count.
Mnemonic: 'Hyper-' means beyond or over (as in 'hyperactive') — hyperbole pushes a statement way beyond the literal truth purely for dramatic effect.
Hypothetical (adjective) Based on an assumed or imagined situation rather than one known to be true.
Example: The professor posed a hypothetical scenario to see how students would apply the theory to a case that didn't really exist.
Mnemonic: Hypothetical shares a root with 'hypothesis' — both describe an idea floated for the sake of argument, not yet proven true.
Iconoclast (noun) A person who challenges or attacks widely accepted beliefs, traditions, or institutions.
Example: The young architect was an iconoclast, rejecting every convention of the style she had been trained in.
Mnemonic: Breaks into Greek roots for 'icon' (a sacred image) and 'clast' (to break, as in geology's 'clastic' rock) — an iconoclast literally smashes icons, and figuratively smashes cherished ideas.
Idiosyncratic (adjective) Peculiar to a specific individual, reflecting a personal quirk rather than any general pattern.
Example: His idiosyncratic habit of alphabetizing his spice rack baffled his roommates.
Mnemonic: 'Idio-' means 'one's own' (as in 'idiom') — an idiosyncratic trait belongs to one person alone, a quirk nobody else shares.
Ignominious (adjective) Bringing public shame or disgrace, especially through a humiliating failure.
Example: The team suffered an ignominious defeat, losing by sixty points on their home court.
Mnemonic: From Latin 'nomen' (name) plus a negating prefix — something ignominious costs you your good name, publicly and shamefully.
Immutable (adjective) Not able to be changed or altered.
Example: The scientists treated the speed of light as an immutable constant in their equations.
Mnemonic: Break it down: 'im-' (not) plus 'mutable' (changeable, as in 'mutate') — immutable is literally 'not able to mutate.'
Impassive (adjective) Showing no visible emotion or reaction, even in a moment that would normally provoke one.
Example: The judge remained impassive as the verdict was read, giving nothing away.
Mnemonic: Take 'passive' and add 'im-' — an impassive face stays passive, refusing to register any feeling at all.
Imperious (adjective) Commanding others in a haughty, entitled manner, as though obedience is owed automatically.
Example: The imperious manager expected employees to drop everything the moment she walked in.
Mnemonic: Shares its root with 'emperor' and 'imperial' — an imperious person acts like they're ruling an empire, even in a small office.
Implacable (adjective) Impossible to calm down or satisfy; relentlessly unforgiving.
Example: Her implacable determination to win the case meant she reviewed every document twice.
Mnemonic: Contains 'placate' (to soothe) with 'im-' (not) attached — implacable describes something that simply refuses to be placated.
Impugn (verb) To attack or cast doubt on someone's honesty, character, or motives, usually through pointed argument.
Example: The lawyer tried to impugn the witness's credibility by highlighting inconsistencies in her story.
Mnemonic: Shares a root with 'pugnacious' (Latin 'pugnare,' to fight) — to impugn someone is to throw a verbal punch at their reputation.
Inadvertent (adjective) Happening by accident, without intention or awareness.
Example: Her inadvertent mention of the surprise party nearly ruined it.
Mnemonic: From Latin 'advertere,' to turn the mind toward — inadvertent means your attention simply never turned that way.
Incongruous (adjective) Out of place; not fitting with its surroundings or with what would normally be expected.
Example: The bright orange sneakers looked incongruous with his formal black suit.
Mnemonic: 'In-' (not) plus 'congruous' (matching, as in geometry's 'congruent' shapes) — incongruous things simply don't line up.
Indefatigable (adjective) Never growing tired, no matter how much effort or time a task requires.
Example: The indefatigable volunteers kept handing out supplies long after everyone else had gone home to rest.
Mnemonic: Split it apart: 'in-' (not) + 'de-fatigue-able' — literally 'not able to be fatigued.'
Indolent (adjective) Habitually lazy; inclined to avoid effort or activity.
Example: The indolent cat spent the entire afternoon sprawled in a sunbeam, ignoring its toys.
Mnemonic: From Latin 'dolere,' to feel pain — an indolent person avoids anything that requires painful effort.
Ineffable (adjective) Too intense or overwhelming to be expressed adequately in words.
Example: Standing at the rim of the canyon at sunrise, she felt an ineffable sense of awe.
Mnemonic: 'In-' (not) plus 'effable' (speakable, from Latin 'fari,' to speak) — ineffable feelings leave you speechless.
Inexorable (adjective) Impossible to stop, persuade, or turn aside from a relentless course.
Example: The inexorable rise of the floodwaters forced the town to evacuate.
Mnemonic: From Latin 'exorare,' to persuade by pleading — something inexorable cannot be begged or reasoned out of its path.
Ingenuous (adjective) Openly sincere and trusting, sometimes to the point of naivety.
Example: The ingenuous new intern believed every excuse her coworkers gave her.
Mnemonic: Don't mix it up with 'ingenious' — ingenuous shares a root with 'genuine,' since an ingenuous person is genuinely, innocently honest.