[jaiyen] (adj) EN: calm ; cool ; cool-headed ; patient ; unemotional ; composed ; unruffled ; mentally calm ; even-tempered ; steady FR: calme ; placide ; paisible ; serein ; imperturbable ; flegmatique ; patient

กระสับกระส่าย

[krasapkrasāi] (adj) EN: restless; restive ; agitated ; anxious ; worried ; perturbed ; disturbed ; agitated ; fretful FR: impatient ; nerveux ; agité

ว้าวุ่น

[wāwun] (adj) EN: vexed ; perturbed ; upset FR: contrarié ; perturbé

วุ่นวาย

[wunwāi] (adj) EN: restive FR: troublé ; perturbé

เยือกเย็น

[yeūakyen] (adj) EN: calm ; cool ; nice and cool ; serene ; imperturbable ; unruffled ; composed ; collected FR: calme ; décontracté ; imperturbable ; zen

ยวน

[yūan] (v) EN: annoy ; irritate ; rile FR: perturber ; déranger

WordNet (3.0) WordNet (3.0)

imperturbable

(adj) not easily perturbed or excited or upset; marked by extreme calm and composure, Syn. unflappable, Example:hitherto imperturbable, he now showed signs of alarm; an imperturbable self-possession; unflappable in a crisis

perturb

(v) disturb in mind or make uneasy or cause to be worried or alarmed, Syn. disorder, unhinge, cark, distract, disquiet, trouble, Example:She was rather perturbed by the news that her father was seriously ill

perturb

(v) disturb or interfere with the usual path of an electron or atom, Example:The electrons were perturbed by the passing ion

perturb

(v) cause a celestial body to deviate from a theoretically regular orbital motion, especially as a result of interposed or extraordinary gravitational pull, Example:The orbits of these stars were perturbed by the passings of a comet

perturb

(v) throw into great confusion or disorder, Syn. derange, throw out of kilter, Example:Fundamental Islamicists threaten to perturb the social order in Algeria and Egypt

perturbation

(n) (physics) a secondary influence on a system that causes it to deviate slightly

perturbation

(n) activity that is a malfunction, intrusion, or interruption, Syn. disturbance, Example:the term `distress' connotes some degree of perturbation and emotional upset; he looked around for the source of the disturbance; there was a disturbance of neural function

perturbation

(n) a disposition that is confused or nervous and upset, Syn. fluster

coolness

(n) calm and unruffled self-assurance, Syn. imperturbability, imperturbableness, Example:he performed with all the coolness of a veteran

disruption

(n) the act of causing disorder, Syn. perturbation

disturbance

(n) an unhappy and worried mental state, Syn. upset, perturbation, Example:there was too much anger and disturbance; she didn't realize the upset she caused me

unflurried

(adj) free from emotional agitation or nervous tension; ; - Anthony Trollope, Syn. unruffled, unperturbed, unflustered, Example:the waiters were unflurried and good natured; with contented mind and unruffled spirit

The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)

Imperturbability

n. The state or quality of being imperturbable. [ 1913 Webster ]

Imperturbable

a. [ L. imperturbabilis; pref. im- not + perturbare to disturb: cf. F. imperturbable. See Perture. ] Incapable of being disturbed or disconcerted; as, imperturbable gravity. [ 1913 Webster ]

Imperturbably

adv. In an imperturbable manner; calmly. C. Bronté. [ 1913 Webster ]

Imperturbation

n. [ L. imperturbatio. ] Freedom from agitation of mind; calmness; quietude. W. Montagu. [ 1913 Webster ]

Imperturbed

a. Not perturbed. [ 1913 Webster ]

Perturb

v. t. [ L. perturbare, perturbatum; per + turbare to disturb, fr. turba a disorder: cf. OF. perturber. See Per-, and Turbid. ] 1. To disturb; to agitate; to vex; to trouble; to disquiet. [ 1913 Webster ]

Ye that . . . perturb so my feast with crying. Chaucer. [ 1913 Webster ]

2. To disorder; to confuse. [ R. ] Sir T. Browne. [ 1913 Webster ]

Perturbability

n. The quality or state of being perturbable. [ 1913 Webster ]

Perturbable

a. Liable to be perturbed or agitated; liable to be disturbed or disquieted. [ 1913 Webster ]

Perturbance

n. Disturbance; perturbation. [ R. ] “Perturbance of the mind.” Sharp. [ 1913 Webster ]

Perturbate

v. t. [ From L. perturbatus, p. p. ] To perturb. [ Obs. ] Dr. H. More. [ 1913 Webster ]

Perturbate

a. Perturbed; agitated. [ R. ] [ 1913 Webster ]

Perturbation

n. [ L. perturbatio: cf. F. perturbation. ] 1. The act of perturbing, or the state of being perturbed; esp., agitation of mind. [ 1913 Webster ]

2. (Astron.) A disturbance in the regular elliptic or other motion of a heavenly body, produced by some force additional to that which causes its regular motion; as, the perturbations of the planets are caused by their attraction on each other. Newcomb. [ 1913 Webster ]

Perturbational

a. Of or pertaining to perturbation, esp. to the perturbations of the planets. “The perturbational theory.” Sir J. Herschel. [ 1913 Webster ]

Perturbative

a. Tending to cause perturbation; disturbing. Sir J. Herschel. [ 1913 Webster ]

Perturbator

n. A perturber. [ R. ] [ 1913 Webster ]

Perturbed

a. Agitated; disturbed; troubled. Shak. -- Per*turb"ed*ly, adv. [1913 Webster]

Perturber

n. One who, or that which, perturbs, or cause perturbation. [ 1913 Webster ]

Chinese-English: CC-CEDICT Dictionary CC-CEDICT CN-EN Dictionary

扰乱

[扰乱 / 擾亂, rǎo luàn] to disturb; to perturb; to harass #12205

镇定

[镇定 / 鎮定, zhèn dìng] calm; unperturbed; cool #15078

忐忑

[忐忑, tǎn tè] perturbed; mentally disturbed; fidgety #15889

满不在乎

[满不在乎 / 滿不在乎, mǎn bù zài hu] not in the least concerned (成语 saw); reckless; couldn't give a damn about it; unperturbed; couldn't care less; harum scarum #37742

七上八下

[七上八下, qī shàng bā xià] lit. seven up, eight down (成语 saw); unsettled state of mind; perturbed; at sixes and sevens #50080

恬然

[恬然, tián rán] unperturbed; nonchalant #92797

阿閦佛

[阿閦佛, Ā chù fó] Aksobhya, the imperturbable ruler of Eastern Paradise, Abhirati

Japanese-English: EDICT Dictionary EDICT JP-EN Dictionary

びくともしない

[bikutomoshinai] (adj-i) (1) unperturbed; undaunted; retaining composure; (2) unyielding; not giving an inch

安心立命

[あんしんりつめい;あんじんりゅうめい;あんじんりゅうみょう;あんじんりつめい, anshinritsumei ; anjinryuumei ; anjinryuumyou ; anjinritsumei] (n, vs) spiritual peace and enlightenment; keeping an unperturbed mind through faith

撹乱;攪乱;かく乱

[かくらん;こうらん(撹乱;攪乱), kakuran ; kouran ( kakuran ; kakuran )] (n, vs) disturbance; perturbation; derangement

従容自若

[しょうようじじゃく(uK), shouyoujijaku (uK)] (adj-t, adv-to) (arch) having presence of mind; imperturbable; calm and self-possessed; with serenity

摂動

[せつどう, setsudou] (n, adj-no) perturbation (physics)

摂動論

[せつどうろん, setsudouron] (n) perturbation theory (physics)

泰然自若

[たいぜんじじゃく(uK), taizenjijaku (uK)] (adj-t, adv-to) having presence of mind; self-possessed; imperturbable; calm and self-possessed

動じる

[どうじる, doujiru] (v1, vi) to be perturbed; to be agitated; (P)