effete

Synonyms: burnt out corrupt debased decadent decayed declining decrepit degenerate dissipated dissolute drained enervated enfeebled far-gone feeble immoral obsolete overrefined overripe played out soft spent vitiated washedout wasted weak worn out

Antonyms: capable tireless

Synonyms: barren fruitless impotent infecund infertile sterile unfruitful unprolific

Antonyms: productive useful working