1. CULPABLE (ADJECTIVE): blameworthy
Synonyms: wrong, guilty
Antonyms: innocent, clean
Example Sentence: Their decision to do nothing makes them culpable.
2. CULMINATION (NOUN): climax
Synonyms: conclusion, completion
Antonyms: introduction, beginning
Example Sentence: This week’s events are the culmination of a long-running row between the two countries.
3. CULL (VERB): select
Synonyms: collect, gather
Antonyms: scatter, disperse
Example Sentence: All this information had been culled from radio reports.
4. CRYPTIC (ADJECTIVE): obscure in meaning
Synonyms: secret, mysterious
Antonyms: certain, clear
Example Sentence: I wondered just what he meant by that cryptic remark.
5. CURSORY (ADJECTIVE): brief
Synonyms: casual, slight
Antonyms: careful, perfect
Example Sentence: There is no need to proofread the content but a cursory glance is required.
6. DAFT (ADJECTIVE): stupid
Synonyms: absurd, asinine
Antonyms: brainy, bright
Example Sentence: He does any job as a daft boy.
7. DWINDLE (VERB): lessen
Synonyms: fall, decline
Antonyms: increase, grow
Example Sentence: The factory’s workforce has dwindled.
8. DURESS (NOUN): pressure
Synonyms: threat, constraint
Antonyms: freedom, liberty
Example Sentence: Her confession had been made under duress.
9. DUMBFOUND (VERB): amaze
Synonyms: stun, confuse
Antonyms: clarify, explain
Example Sentence: The question dumbfounded him.
10. DULCET (ADJECTIVE): pleasing
Synonyms: musical, charming
Antonyms: harsh, odious
Example Sentence: The dulcet voice of my Head of the department proves his simplicity.