Energetic
Energetic adjective - Having active strength of body or mind.
Usage example: a lifelong fitness fanatic, he remained energetic well into his 80s
Lethargic
Lethargic adjective - Slow to move or act.
Usage example: a big meal always makes me feel lethargic and sleepy
Nearby Word: lethargy
Both words in one sentence
- Mako is typically coolheaded at her most energetic and lethargic and lazy at worst.
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Red Oni, Blue Oni: Sumomo and Kotoko definitely have this going on; the former is pink and cheery and energetic while the later is blue, snarky and more lethargic.
Source: Manga / Chobits -
The Lancer: Jerkass bigot Omega Zell, then smart, lucid and lethargic Ivy for Noob to the more nuanced Arthéon and stupid, childish, energetic Sparadrap respectively.
Source: Franchise / Noob
Cite this Source
Lethargic and Energetic. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/energetic/lethargic
Energetic & Lethargic. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/energetic/lethargic>.
Lethargic or Energetic. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/energetic/lethargic.
Google Ngram Viewer shows how "energetic" and "lethargic" have occurred on timeline