1. Synonyms for Anticlimactic include bathetic, disappointing, disillusioning, unsatisfactory, inadequate, inferior, insufficient, lame, poor and underwhelming

2. Antonyms for Cozening include undeceiving, disillusioning, disabusing, enlightening, correcting, giving, forthrightness, frankness, gift and honesty

3. Synonyms for Acidulating include embittering, envenoming, alienating, angering, antagonising, antagonizing, poisoning, souring, disaffecting and disillusioning

4. If someone has been duplicitous , it may come as devastating disillusioning news and may bring a final break with that person.

5. Convincing: 1 adj causing one to believe the truth of something “a Convincing story” “a Convincing manner” Synonyms: credible appearing to merit belief or acceptance disenchanting , disillusioning freeing from illusion or false belief persuasive intended or having the power to induce action or belief Antonyms: flimsy , unConvincing not