from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Lacking the faculty of speech.
- adj. Temporarily unable to speak, as through astonishment.
- adj. Refraining from speech; silent.
- adj. Unexpressed or inexpressible in words: speechless admiration.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. not speaking; not knowing what to say; silent, especially due to surprise, amazement, etc.
from the GNU version of the Collaborative International Dictionary of English
- adj. Destitute or deprived of the faculty of speech.
- adj. Not speaking for a time; dumb; mute; silent.
from The Century Dictionary and Cyclopedia
- Not having or not using the faculty of speech; unable to speak; dumb; mute.
- Refraining or restrained from speech; not speaking, either of purpose or from present inability: as, to stand speechless before one′ s accusers; speechless from terror.
- Characterized by the absence of speech; unexpressed; unattended by spoken words.
- Using few words; concise.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. temporarily incapable of speaking
From speech + -less (Wiktionary)