Word: deactivate
Part of speech: Verb
Syllables: de
ac
ti
vate
Definition: to make something inactive or no longer effective
Morphemes:
Affix: de-
Language: en
PoS: Prefix
Meaning: Intensifying; make more intense, stronger, or more marked; 
Etymology Compounds: Affix: dē-
Language: la
Decoded: de-
PoS: Prefix
Meaning: de-
Affix: act
Language: en
PoS: Verb
Meaning: To do something.
Etymology Compounds: Affix: ācta
Language: la
Decoded: acta
Meaning: register of events
Affix: -ive
Language: en
PoS: Suffix
Meaning: An adjective suffix signifying relating or belonging to, of the nature of, tending to, or serving to; as: affirmative, active, conclusive, corrective, diminutive.
Etymology Compounds: Affix: -ivus
Language: la
Decoded: -ivus
PoS: Suffix
Meaning: Adjective suffix.
Affix: -ate
Language: en
PoS: Suffix
Meaning: to act in the specified manner