Word: steadfastly
Part of speech: Adverb
Syllables: stead
fast
ly
Definition: In a steadfast manner; firmly; with conviction
Morphemes:
Affix: stead
Language: en
Meaning: place; spot; position
Affix: fast
Language: en
Meaning: firm; fixed
Affix: -ly
Language: en
PoS: Suffix
Meaning: Used to form adverbs from adjectives.