English-Thai Dictionary
unstable
ADJ ซึ่ง ไม่แน่ นอน ซึ่ง ผันแปร ซึ่ง ไม่สม่ำเสมอ sueng-mai-nae-non
unstable
ADJ ที่ มี อารมณ์ ผันผวน ที่ มี อารมณ์ ไม่แน่ นอน อารมณ์ แปรปรวน ป่วย ทางใจ sensitive stable ti-mi-a-rom-phan-phuan
unstable
ADJ เปลี่ยนแปลง ผันผวน เปลี่ยนไป เปลี่ยน มา changeable unchangeable plian-plaeng
unstable
ADJ ไม่ สามารถ วางใจ ได้ ไม่ สามารถ แน่ใจ ได้ unreliable reliable mai-sa-mad-wang-jai-dai
unstable
ADJ ไม่แน่ นอน ไม่มั่นคง ไม่สม่ำเสมอ unsteady uncertain firm mai-nae-non
Webster's 1828 Dictionary
UNSTABLE
a.[L. instabilis.] 1. Not stable; not fixed.
2. Not steady; inconstant; irresolute; wavering. James 1:8.
UNSTABLENESS
n.Instability.
Webster's 1913 Dictionary
UNSTABLE
Un *sta "ble, a. Etym: [Cf. Instable. ]
Defn: Not stable; not firm, fixed, or constant; subject to change or overthrow. -- Un *sta "ble *ness, n. Chaucer. Unstable equilibrium. See Stable equilibrium, under Stable.
New American Oxford Dictionary
unstable
un sta ble |ˌənˈstābəl ˌənˈsteɪbəl | ▶adjective ( unstabler, unstablest ) prone to change, fail, or give way; not stable: the unstable cliff tops | an unstable government. • prone to psychiatric problems or sudden changes of mood: he was mentally unstable. DERIVATIVES un sta ble ness noun, un sta bly |-blē |adverb
unstable equilibrium
un |stable equi |lib ¦rium ▶noun Physics a state of equilibrium in which a small disturbance will produce a large change.
Oxford Dictionary
unstable
un |stable |ʌnˈsteɪb (ə )l | ▶adjective ( unstabler, unstablest ) likely to give way; not stable: the unstable cliff tops. • likely to change or fail; not firmly established: an unstable government. • prone to psychiatric problems or sudden changes of mood: he was mentally unstable. DERIVATIVES unstableness noun, unstably adverb
unstable equilibrium
un |stable equi |lib ¦rium ▶noun Physics a state of equilibrium in which a small disturbance will produce a large change.
American Oxford Thesaurus
unstable
unstable adjective 1 that old ladder looks unstable: unsteady, rocky, wobbly, tippy; rickety, shaky, unsafe, insecure, precarious. ANTONYMS steady. 2 unstable coffee prices: changeable, volatile, variable, fluctuating, irregular, unpredictable, mercurial, capricious, erratic, 'on-again, off-again'. ANTONYMS fixed, firm. 3 he was mentally unstable: unbalanced, of unsound mind, mentally ill, deranged, demented, disturbed, unhinged, volatile; informal kooky. ANTONYMS balanced, of sound mind. WORD TOOLKIT See variable . Word Toolkits illustrate the difference between close synonyms by means of words typically used with them.
Oxford Thesaurus
unstable
unstable adjective 1 icebergs are notoriously unstable and may flip over: unsteady, rocky, wobbly, wobbling, rickety, shaky, tottery, tottering, teetering, doddery, unsafe, unbalanced, unreliable, insecure, not secure, unfastened, unsecured, movable, precarious; Irish bockety. ANTONYMS stable, steady. 2 the country suffered from unstable coffee prices: changeable, volatile, variable, unsettled, fluctuating, inconstant, inconsistent, irregular, fitful, unpredictable, unreliable, fickle, capricious, mercurial, erratic, uncertain, wavering. ANTONYMS stable, firm. 3 he was mentally unstable: unbalanced, of unsound mind, mentally ill, deranged, demented, crazed, distracted, troubled, disturbed, unhinged, insane, mad, mad as a hatter, mad as a March hare, raving mad, lunatic, out of one's mind /head, not in one's right mind, neurotic, psychotic; Latin non compos mentis; informal crazy, loopy, loony, mixed up, nuts, nutty, nutty as a fruitcake, bananas, cracked, crackpot, daft, dippy, screwy, bats, batty, dotty, cuckoo, bonkers, potty, mental, screwed up, not all there, off one's head, out to lunch, a bit lacking, round the bend /twist, away with the fairies; Brit. informal barmy, crackers, barking, barking mad, off one's trolley /rocker, daft as a brush, not the full shilling; N. Amer. informal nutsy, nutso, squirrelly, wacko, buggy; dated touched. ANTONYMS stable, balanced. WORD TOOLKIT unstable See variable . Word Toolkits illustrate the difference between close synonyms by means of words typically used with them.
Sanseido Wisdom Dictionary
unstable
ù n st á ble 形容詞 1 不安定な, ぐらぐらした .2 〈人 心が 〉変わりやすい, 落ち着きのない .3 〘化 〙不安定な, 分解しやすい .~ness 名詞 ù n st á bly 副詞