| A | B |
| emanate | come forth, as from a source; originate |
| inhibit | to restrain or hold back; prevent |
| meander | follow a winding and turning course |
| retrogress | to return to an earlier, inferior, or less complex condition; revert |
| serpentine | of or resembling a serpent, as in form or movement; sinuous |
| supersede | to take the place of; replace |
| torpid | lacking energy or vigor; lethargis; sulggish |
| transitory | existing only briefly; short-lived |
| undulate | move in waves or with a wavelike motion; ripple |
| unremitting | never slackening; persistent |