Word: ruptureless
Part of speech: Adjective
Syllables: rup
ture
less
Definition: Without rupture.
Morphemes:
Affix: rupture
Language: en
PoS: Verb
Meaning: To burst, break through, or split, as under pressure.
Etymology Compounds: Affix: ruptūra
Language: la
Decoded: ruptura
Meaning: a breaking, rupture 
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.