Word: tenkeyless
Part of speech: Adjective
Syllables: ten
key
less
Definition: Lacking a numeric keypad; 
is the palm-sized, usually-17-key section of a standard computer keyboard, usually on the far right
Morphemes:
Affix: ten
Language: en
PoS: Numeral
Meaning: The number occurring after nine and before eleven, represented in Arabic numerals (base ten) as 10 and in Roman numerals as X.
Affix: key
Language: en
PoS: Noun
Meaning: One of several small, usually square buttons on a typewriter or computer keyboard, mostly corresponding to text characters.
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.