9th Grade Vocabulary Words - List 15
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| Word | Definition | Practice Sentence | Synonyms | Antonyms | Part of Speech Description |
|---|---|---|---|---|---|
| spurious | Something false or not genuine that is often intended to deceive or mislead others. | The detective spoke to a spurious witness who provided misleading information. | incorrect, erroneous, unfounded | genuine, authentic, valid | Adjective |
| jubilant | Expressing great joy. | After winning the championship, the team celebrated with a jubilant parade through the city. | euphoric, elated, thrilled | dejected, gloomy, disheartened | Adjective |
| magnate | A person, typically an influential or powerful individual, who has achieved great success in a particular industry. | The billionaire tech magnate invested heavily in renewable energy projects. | tycoon, mogul, baron | pauper, commoner, plebian | Noun |
| disavow | Deny any knowledge, support, or association with something or someone. | I want to disavow any involvement in the fraudulent activity that took place. | reject, deny, renounce | acknowledge, accept, affirm | Verb |
| bombastic | Excessively grandiose or extravagant language lacking sincerity or substance. | The politician delivered a bombastic speech filled with grandiose promises and extravagant claims. | grandiloquent, pompous, pretentious | humble, modest, reserved | Adjective |
| liaise | Coordinating between different individuals or groups to facilitate cooperation. | I will liaise with the marketing team to coordinate the launch of the new product. | collaborate, interact, interface | disconnect, divide, separate | Verb |
| obstinate | Unyielding or stubborn, refusing to change one's opinion or behavior. | Despite her obstinate refusal to listen to others, she ultimately failed to achieve her goals. | inflexible, headstrong, adamant | flexible, willing, adaptable | Adjective |
| harmonious | A state or situation where different elements or components exist in a balanced manner. | The couple's voices blended together in a harmonious duet. | congruent, compatible, consonant | discordant, jarring, conflicting | Adjective |
| dichotomy | The division of something into two contrasting parts or categories. | The dichotomy between good and evil is a recurring theme in many classic literature works. | separation, contradiction, opposition | union, synthesis, integration | Noun |
| negligible | Something that is so unimportant that it can be ignored or considered as having no impact. | The cost of the repairs was negligible compared to the overall value of the property. | insignificant, minimal, trivial | significant, substantial, considerable | Adjective |
| polemic | Contentious argument that aims to persuade, challenge, or criticize a specific point of view. | His polemic speech against the government drew both praise and criticism from the audience. | debate, disagreement, dispute | conciliatory, agreeable, diplomatic | Noun |
| foster | To nurture and care for someone in a temporary or substitute family environment. | She volunteered to foster a puppy until it found a permanent home. | encourage, support, aid | hinder, impede, discourage | Noun |
| obligatory | Something that is required or necessary to be done or followed. | I have an obligatory meeting at work tomorrow that I cannot miss. | mandatory, compulsory, imperative | optional, voluntary, discretionary | Adjective |
| inane | Something that is pointless or lacking intelligence. | The professor's inane comments during the lecture were a complete waste of time. | foolish, nonsensical, trivial | meaningful, intelligent, thoughtful | Adjective |
| maritime | Relating to or connected with the sea or ocean. | The country's maritime industry is booming, creating numerous job opportunities for sailors and marine engineers. | nautical, marine, seafaring | landlocked, inland | Adjective |
Take a look at other vocabulary lists for Ninth Grade.
Ninth Grade Vocabulary Lists