Word: coolheaded
Part of speech: Adjective
Syllables: cool
he
aded
Definition: Having an even temper; calm and collected
Morphemes:
Affix: cool
Language: en
PoS: Adjective
Meaning: Of a person, not showing emotion; calm and in control of oneself.
Affix: head
Language: en
Meaning: noun
Affix: -ed
Language: en
PoS: Suffix
Meaning: As an extension of the above, when used along with an adjective preceding the noun, describes something that has an object of a particular quality.