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Webster 1913 Edition
Overspeak
Oˊver-speak′
,Verb.
 T.
 & I.
 [AS. 
ofersprecan
.] To exceed in speaking; to speak too much; to use too many words. 
Webster 1828 Edition
Overspeak
OVERSPE'AK
,Verb.
T.
  Definition 2025
overspeak
overspeak
English
Verb
overspeak (third-person singular simple present overspeaks, present participle overspeaking, simple past overspoke, past participle overspoken)
- To exceed in speaking.
- To speak too much; to use too many words.
References
- overspeak in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913