Word: lifelong
Part of speech: Adjective
Syllables: life
long
Definition: Extending for the entire duration of life.
Morphemes:
Affix: life
Language: en
PoS: Noun
Meaning: A period extending from a when a (positive or negative) office, punishment, etc is conferred on someone until that person dies (or, sometimes, reaches retirement age).
Affix: long
Language: en
PoS: Adjective
Meaning: Having great duration.