Antonyms of adj unannealed

1 sense of unannealed

Sense 1
brittle, unannealed -- ((of metal or glass) not annealed and consequently easily cracked or fractured)

INDIRECT (VIA untempered) -> tempered, treated, hardened, toughened -- (made hard or flexible or resilient especially by heat treatment; "a sword of tempered steel"; "tempered glass")

Similarity of adj unannealed

1 sense of unannealed

Sense 1
brittle, unannealed -- ((of metal or glass) not annealed and consequently easily cracked or fractured)
       => untempered (vs. tempered), unhardened -- (not brought to a proper consistency or hardness; "untempered mortar"; "untempered steel")