enduring Antonyms

quitting transient transitory vacillant volatile wandering weakening withering yielding unfixed latest topical temporary relenting seizing shifting short-lived skirting softening stopping submitting succumbing surrendering biodegradable mountain pass calling it a day conceding defeat dropping one's bundle giving up hope losing heart carking it dropping dead passing on relinquishing life throwing in the sponge admiting defeat abandoning hope stopgap mayfly freelance mutative newfound ever-changing open-ended putrefiable giving up in constant change throwing in the towel acquiescing circumforaneous