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| 1. |
weaken - lessen the strength of; "The fever weakened his body" |
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beef up,
fortify,
strengthen add nutrients to; "fortified milk"
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alter,
change,
modify remove the ovaries of; "Is your cat spayed?"
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de-energise,
de-energize deprive of energy
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break weaken or destroy in spirit or body; "His resistance was broken"; "a man broken by the terrible experience of near-death"
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devitalise,
devitalize sap of life or energy; "The recession devitalized the economy"
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shake move with or as if with a tremor; "his hands shook"
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depress lessen the activity or force of; "The rising inflation depressed the economy"
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unbrace remove a brace or braces from
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etiolate make pale or sickly; "alcohol etiolates your skin"
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cripple,
stultify deprive of the use of a limb, especially a leg; "The accident has crippled her for life"
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cut,
dilute,
reduce,
thin,
thin out grow through the gums; "The new tooth is cutting"
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attenuate,
rarefy become weaker, in strength, value, or magnitude
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blunt make less sharp; "blunt the knives"
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mollify,
season,
temper make less rigid or softer
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debilitate,
drain,
enfeeble empty of liquid; drain the liquid from; "We drained the oil tank"
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enervate weaken mentally or morally
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dampen lessen in force or effect; "soften a shock"; "break a fall"
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negate,
neutralise,
neutralize,
nullify prove negative; show to be false
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castrate,
emasculate remove the testicles of a male animal
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wash out lose color in the process of being washed; "The expensive shirt washed out in the German washing machine"
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| 2. |
weaken - become weaker; "The prisoner's resistance weakened after seven days" |
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strengthen gain strength; "His body strengthened"
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decrease,
diminish,
fall,
lessen decrease in size, extent, or range; "The amount of homework decreased towards the end of the semester"; "The cabin pressure fell dramatically"; "her weight fell to under a hundred pounds"; "his voice fell to a whisper"
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attenuate become weaker, in strength, value, or magnitude
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disappear,
evaporate,
melt get lost, as without warning or explanation; "He disappeared without a trace"
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die down become progressively weaker; "the laughter died down"
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collapse lose significance, effectiveness, or value; "The school system is collapsing"; "The stock market collapsed"
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fade,
melt become less clearly visible or distinguishable; disappear gradually or seemingly; "The scene begins to fade"; "The tree trunks are melting into the forest at dusk"
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lessen,
subside wear off or die down; "The pain subsided"
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blur,
dim,
slur become vague or indistinct; "The distinction between the two theories blurred"
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languish,
pine away,
waste become feeble; "The prisoner has be languishing for years in the dungeon"
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dull make less lively or vigorous; "Middle age dulled her appetite for travel"
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pall lose strength or effectiveness; become or appear boring, insipid, or tiresome (to); "the course palled on her"
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loose,
loosen,
relax become loose or looser or less tight; "The noose loosened"; "the rope relaxed"
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slacken make slack as by lessening tension or firmness
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slack,
slacken,
slow,
slow down,
slow up cause to heat and crumble by treatment with water; "slack lime"
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wilt become limp; "The flowers wilted"
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