Aghast (adjective) Lesson #5 Alacrity (noun) Definition: liveliness, willingness, eagerness Synonyms: promptness, readiness Antonyms: slowness, reluctance Sentence: He performed his chores with alacrity. Allude (verb) Definition: to hint at, to refer to indirectly Synonyms: suggest, refer, imply Antonyms: announce, state/say Sentence: The attorney alluded to a cover-up but was not very specific. Definition: feeling great dismay or horror Synonyms: terrified, horrified, shocked, amazed Antonyms: unsurprised Sentence: We were aghast at the sarcastic tone the teenage girl directed at her parents. Alienate (verb) Definition: to make others unfriendly toward you Synonyms: estrange, turn or set against Antonyms: unite, join Sentence: Don’t alienate your neighbors unless you really like to be alone. Aloof (adjective) Definition: reserved, distant Synonyms: remote, cool, indifferent Antonyms: warm, friendly Sentence: The singer looked rather aloof as he stood on the step signing autographs in a bored manner.