As verbs the difference between speeded and seeded
is that speeded is past tense of speed while seeded is past tense of seed.
As an adjective seeded is
being a seed, being in a seed position.
speeded
English
Verb
(head)
(British) (speed)
Synonyms
* (simple past tense and past participle of speed) sped (US)
Anagrams
*
seeded
English
Adjective
(-)
(sports) being a seed, being in a seed position.
Antonyms
* unseeded
Verb
(head)
(seed)
Anagrams
*