languid
LANG-gwidadjMeaning slow, relaxed and without energy, often in a graceful way
Memory hook LANG-uid: a LONG, lazy stretch. On a hot afternoon, the cat stretches out long on the sunny bench and moves only to flick her tail: she is languid.
We spent a languid afternoon floating on the lake.
In context Unlike his brisk, busy sister, Felix moved with languid ease, strolling rather than walking and taking twice as long to do everything.
Similar relaxed, unhurried, leisurely, listless
Opposite brisk, energetic, vigorous
From Latin languidus, “faint, weak,” from languere (to be weak).