Word: sigless
Part of speech: Adjective
Syllables: si
gless
Definition: Without a sig (electronic signature appended to one's messages).
Morphemes:
Affix: sig
Language: en
PoS: Noun
Meaning: A signature, especially on emails or newsgroup postings.
Affix: -less
Language: en
PoS: Suffix
Meaning: Lacking (something); without (something). Added usually to a noun to form an adjective signifying a lack of that noun.