English-Thai Dictionary

undermine

VT ทำให้ กร่อน  ถูก กัดเซาะ  sabotage subvert wreck reinforce tam-hai-kron

 

Webster's 1828 Dictionary

UNDERMINE

v.t. 1. To sap; to excavate the earth beneath, for the purpose of suffering to fall, or of blowing up; as, to undermine a wall.
2. To excavate the earth beneath. Rapid streams often undermine their banks and the trees growing upon them.
3. To remove the foundation or support of any thing by clandestine means; as, to undermine reputation; to undermine the constitution of the state.
He should be warned who are like to undermine him.

 

UNDERMINED

pp. Sapped; having the foundation removed.

 

UNDERMINER

n. 1. One that saps, or excavates the earth beneath any thing.
2. One that clandestinely removes the foundation or support; one that secretly overthrows; as an underminer of the church.

 

Webster's 1913 Dictionary

UNDERMINE

UNDERMINE Un `der *mine ", v. t.

 

1. To excavate the earth beneath, or the part of, especially for the purpose of causing to fall or be overthrown; to form a mine under; to sap; as, to undermine a wall. A vast rock undermined from one end to the other, and a highway running through it. Addison.

 

2. Fig. : To remove the foundation or support of by clandestine means; to ruin in an underhand way; as, to undermine reputation; to undermine the constitution of the state. He should be warned who are like to undermine him. Locke.

 

UNDERMINER

UNDERMINER Un `der *min "er, n.

 

Defn: One who undermines.

 

New American Oxford Dictionary

undermine

un der mine |ˌəndərˈmīn, ˈəndərˌmīn ˌəndərˈmaɪn | ▶verb [ with obj. ] 1 erode the base or foundation of (a rock formation ). • dig or excavate beneath (a building or fortification ) so as to make it collapse. 2 damage or weaken (someone or something ), esp. gradually or insidiously: this could undermine years of hard work. DERIVATIVES un der min er noun ORIGIN Middle English: from under- + the verb mine 2, probably suggested by Middle Dutch ondermineren.

 

Oxford Dictionary

undermine

under |mine |ʌndəˈmʌɪn | ▶verb [ with obj. ] 1 erode the base or foundation of (a rock formation ). • dig or excavate beneath (a building or fortification ) so as to make it collapse. 2 lessen the effectiveness, power, or ability of, especially gradually or insidiously: this could undermine years of hard work. DERIVATIVES underminer noun ORIGIN Middle English: from under- + the verb mine 2, probably suggested by Middle Dutch ondermineren.

 

American Oxford Thesaurus

undermine

undermine verb 1 their integrity is being undermined: subvert, undercut, sabotage, threaten, weaken, compromise, diminish, reduce, impair, mar, spoil, ruin, damage, hurt, injure, cripple, sap, shake; informal drag through the mud. ANTONYMS strengthen, enhance. 2 rivers undermined their banks: erode, wear away, eat away at.

 

Oxford Thesaurus

undermine

undermine verb 1 the integrity of government statistics is being undermined: subvert, sabotage, threaten, weaken, compromise, diminish, reduce, impair, mar, spoil, ruin, impede, hinder, damage, hurt, injure, cripple, disable, enfeeble, sap, shake; whittle away, eat away; informal foul up, botch, put the kibosh on, drag through the mud; Brit. informal throw a spanner in the works of, queer the pitch of; N. Amer. informal throw a monkey wrench in the works of. ANTONYMS enhance, improve, strengthen. 2 we had no other way to break in but by undermining the building: tunnel under, dig under, burrow under, excavate, sap. 3 the damp had so undermined the structure that the wall fell down: erode, wear away, eat away at, chip away, undercut. ANTONYMS shore up, support.

 

Sanseido Wisdom Dictionary

undermine

under mine /ʌ̀ndə r máɪn /動詞 ～s /-z /; ～d /-d /; -mining 他動詞 1 〈権威 名声 主張など 〉を徐々に [ひそかに ]傷つける, 弱める (→weaken )▸ undermine A's authority A 〈人 〉の権威をひそかに傷つける 2 …を浸食する, …の土台を削り取る ▸ The sea is undermining the cliffs of the coast .海が海岸のがけの根元を侵食している 3 〈健康 環境など 〉を次第に害する, 損なう .4 …の下を掘る, …に坑道を掘る .