1.PLEDGE (NOUN): oath Synonyms: promise, vow Antonyms: breach, break Example Sentence: The UNFCCC underlined the fulfilment of national pledges related to carbon emission. 2. INADEQUATE (ADJECTIVE): lacking the quality Synonyms: deficient, meager Antonyms: abundant, enough Example Sentence: The agreement would be inadequate to keep global warming below 2°C. 3. IMPERATIVE (ADJECTIVE): of vital importance Synonyms: compulsory, obligatory Antonyms: trivial, optional Example Sentence: It is equally imperative to examine the progress of climate targets. 4. INCLUSIVE (ADJECTIVE): including all the services Synonyms: comprehensive, broad Antonyms: exclusive, narrow Example Sentence: The fastest trains are maintaining inclusive speeds of 45km/sec. 5. COLLABORATION (NOUN): alliance Synonyms: association, partnership Antonyms: disunion, separation Example Sentence: With the collaboration, he undertook the preparation of an inventory. 6. VITAL (ADJECTIVE): essential Synonyms: crucial, necessary Antonyms: optional, secondary Example Sentence: States are a vital part of the grand coalition between the two countries. 7. GRAVITATE (VERB): drift Synonyms: incline, tend Antonyms: ascend, increase Example Sentence: They gravitate to these areas. 8. STAGGER (VERB): move unsteadily Synonyms: careen, lurch Antonyms: continue, stay Example Sentence: These numbers are staggering but they are only the tip of the iceberg. 9. LOATHE (VERB): feel intense dislike or disgust for Synonyms: abhor, execrate Antonyms: admire, cherish Example Sentence: Unfortunately, agencies seem to be loathe to cooperate. 10. EVOCATIVE (ADJECTIVE): memories Synonyms: expressive, redolent Antonyms: unreminiscent Example Sentence: The team felt that ‘Into the heart of Darkness’ was evocative enough to bring out a range of issues.