| Clue | Source | Date |
|---|---|---|
| Sluggish | New York Times | 08 Oct 2023 |
| Dull and heavy | Premier Sunday | 19 Mar 2023 |
| Bogged down | Newsday | 30 Sep 2021 |
| Mentally sluggish | New York Times | 25 Nov 2018 |
| Suffix with words like "psycho" and "socio" | ||
| Sluggish | New York Times | 30 Jun 2018 |
| Mentally sluggish | ||
| Sluggish | ||
| Lethargic | Wall Street Journal | 15 Jul 2017 |
| Lethargic | New York Times | 28 Jan 2015 |
| Lethargic | ||
| Feeling a bit out of it | ||
| Hardly energetic | ||
| Feeling sluggish | ||
| Sluggish | ||
| Dull – how science often ends up? | ||
| Sluggish | ||
| Feeling sluggish | ||
| Lacking pep | ||
| Lacking pep | ||
| Sluggish | ||
| Not fully awake, maybe | ||
| Lethargic | ||
| Feeling sluggish | ||
| Lethargic | ||
| Lethargic | ||
| Sluggish from overeating | ||
| Lacking energy | ||
| Lacking energy | ||
| Lethargic | ||
| Sluggish | ||
| Lethargic | ||
| Stuporous | ||
| Sluggish | ||
| Lethargic | ||
| Lacking energy | ||
| Sluggish | ||
| Sluggish from overeating | ||
| Lethargic after lunch | ||
| Enervated | ||
| Half-awake | ||
| In the dumps | ||
| Lacking resilience | ||
| Torpid; sluggish | ||
| Listless | ||
| Torpid | ||
| Sluggish. | ||
| Sluggish: Colloq. | ||
| Torpid. | ||
| Heavy or dull. | ||
| Apathetic. | ||
| Dull or sluggish. | ||
| Dull. | ||
| Lethargic |