Word: watchful
Part of speech: Adjective
Syllables: watch
ful
Definition: Fully observant, vigilant, or aware.
Morphemes:
Affix: watch
Language: en
PoS: Verb
Meaning: To be vigilant or on one's guard.
Affix: -ful
Language: en
PoS: Suffix
Meaning: Used to form adjectives from nouns. Full of, tending to, or thoroughly possessing the quality expressed by the noun.