The antonyms for the word "in delicacy" can be expressed with words like grace, sensitivity, and tactfulness, which all indicate a sense of social refinement or consideration for others. Words like coarseness, insensitivity, and clumsiness suggest a lack of finesse or grace in social interactions. Oafishness, bluntness, and inelegance all indicate a roughness or awkwardness that can be disruptive to both social situations and personal relationships. Likewise, words like insidious, unrefined, and tactless all suggest a lack of consideration for the feelings or perceptions of others, often leading to misunderstandings or hurt feelings. Ultimately, the antonyms for "in delicacy" all suggest a need for greater awareness and sensitivity in social interactions, promoting smoother and more harmonious relationships.