Word: unstable
Part of speech: Adjective
Syllables: un
sta
ble
Definition: Radioactive, especially with a short half-life.
Morphemes:
Affix: un-
Language: en
PoS: Prefix
Meaning: Used to form temporary names of elements (such as unbiunium) whose existence has been predicted, and have not yet been given a trivial name.
Etymology Compounds: Affix: ūnus
Language: la
Decoded: unus
PoS: Numeral
Meaning: one; 1
Affix: stable
Language: en
PoS: Adjective
Meaning: Relatively unchanging, steady, permanent; firmly fixed or established; consistent; not easily moved, altered, or destroyed.
Etymology Compounds: Affix: stō
Language: la
Decoded: sto
Meaning: stand firm
Affix: -bilis
Language: la
Decoded: -bilis
PoS: Suffix
Meaning: -(a)ble; used to form an adjective, usually from a verb, indicating a capacity or worth of being acted upon.