Tumescent most nearly means:
“Forgotten” means unremembered, “didactic” is something involving education, and “waifish” is the quality of someone thin and frail.
After improving the soil with mulch and compost, Dwayne found his garden to be quite fecund. Fecund most nearly means:
Quitting his job with no prospects for new employment left Joseph in a precarious position. Precarious most nearly means: