Five-word quiz
First submitted answer decides the point. You can review every word after submitting.
Daily Practice → Vocab → Vocabulary Set
Practice 5 high-utility vocabulary words through meaning, synonym and antonym questions, then review explanations, examples and memory cues.
First submitted answer decides the point. You can review every word after submitting.
adjective • Advanced
Meaning: stubbornly refusing to change
Synonyms: stubborn, unyielding
Antonyms: yielding, compliant
Examples: The editor described the argument as obdurate because it was stubbornly refusing to change. In the meeting, her obdurate response immediately changed how the team viewed the issue.
verb • Advanced
Meaning: make something unclear or difficult to understand
Synonyms: confuse, obscure
Antonyms: clarify, elucidate
Examples: The new evidence could obfuscate the committee's earlier position. Good leaders know when to obfuscate a problem rather than ignore it.
Memory trick: Think 'fog' in an explanation → make unclear.
adjective • Advanced
Meaning: not aware of or concerned about what is happening
Synonyms: unaware, unmindful
Antonyms: aware, attentive
Examples: The editor described the argument as oblivious because it was not aware of or concerned about what is happening. In the meeting, her oblivious response immediately changed how the team viewed the issue.
adjective • Advanced
Meaning: excessively obedient or attentive
Synonyms: servile, fawning
Antonyms: assertive, independent
Examples: The editor described the argument as obsequious because it was excessively obedient or attentive. In the meeting, her obsequious response immediately changed how the team viewed the issue.
adjective • Advanced
Meaning: stubbornly refusing to change one's opinion
Synonyms: stubborn, inflexible
Antonyms: yielding, amenable
Examples: The editor described the argument as obstinate because it was stubbornly refusing to change one's opinion. In the meeting, her obstinate response immediately changed how the team viewed the issue.