Meaning of UNSTABLE in English



Pronunciation: - ' st ā -b ə l

Function: adjective

Date: 13th century

: not stable : not firm or fixed : not constant: as a : not steady in action or movement : IRREGULAR <an unstable pulse> b : wavering in purpose or intent : VACILLATING c : lacking steadiness : apt to move, sway, or fall <an unstable tower> d (1) : liable to change or alteration <an unstable economy> < unstable weather> (2) : readily changing (as by decomposing) in chemical or physical composition or in biological activity e : characterized by lack of emotional control

synonyms see INCONSTANT

– un · sta · ble · ness noun

– un · sta · bly \ -b( ə -)l ē \ adverb

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.