All mumpish antonyms

adjective mumpish

• amiable — Someone who is amiable is friendly and pleasant to be with.
• good-humored — having or showing a pleasant, amiable mood: a good-humored man; a good-humored remark.
• good-natured — having or showing a pleasant, kindly disposition; amiable: a warm, good-natured person.
• happy — delighted, pleased, or glad, as over a particular thing: to be happy to see a person.
• pleasant — pleasing, agreeable, or enjoyable; giving pleasure: pleasant news.
• sweet — having the taste or flavor characteristic of sugar, honey, etc.