Synonyms of lighthearted
1
: free from care, anxiety, or seriousness : happy-go-lucky
a lighthearted mood
2
: cheerfully optimistic and hopeful : easygoing
… they can be lighthearted in the midst of misery …—H. J. Forman
lightheartedly adverb
lightheartedness noun

Examples of lighthearted in a Sentence

his lighthearted attitude in the face of danger was the source of some concern
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Matthew Rhys and Keri Russell know how to keep the competitive nature at television's most prestigious award show fun and lighthearted. — Taylor Ardrey, USA Today, 15 Sep. 2026 The idea had been brewing ever since Kennedy opened up about her high school antics during a lighthearted conversation with her dad at an airport a few years after graduating. — Ashley Vega, PEOPLE, 9 Sep. 2026 The trailer opens with a montage of the happiest moments shared by young couple Wren (Dynevor) and Tate (Gyllenhaal), portraying the film as a seemingly lighthearted romantic comedy. — Tanya Fedak, Variety, 8 Sep. 2026 Heading into the 2026 season, Glenn seems more genuine, lighthearted and comfortable — a shift that may reflect his growing confidence in the roster the Jets assembled this offseason. — Antwan Staley, New York Daily News, 6 Sep. 2026 See All Example Sentences for lighthearted

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of lighthearted was in the 15th century

Browse Nearby Words

Cite this Entry

“Lighthearted.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lighthearted. Accessed 24 Sep. 2026.

Kids Definition

lighthearted

adjective
: free from worry
lightheartedly adverb
lightheartedness noun
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