- inactive
- lethargic
- lingering
- pliant
- resistant
- slow
- supple
- tenacious
- tough
Synonyms for lentus
- bardus – dull, slow, stupid
- durus – enduring, hard, harsh, rough, rude, strong, tough, uncouth
- flexilis – pliant
- mollis – easily moved, flexible, gentle, pliant, soft
- piger – dull, lazy, slow
- pigra – dull, lazy, slow
- pigrum – dull, lazy, slow
- tardus – late, slow, sluggish, tardy
- torpeo – immoveable, inactive, inert, numb, to be sluggish