S: (v) 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"
S: (v) weaken (become weaker) "The prisoner's resistance weakened after seven days"
S: (v) attenuate (become weaker, in strength, value, or magnitude)
S: (v) melt, disappear, evaporate (become less intense and fade away gradually) "her resistance melted under his charm"; "her hopes evaporated after years of waiting for her fiance"
S: (v) die down (become progressively weaker) "the laughter died down"
S: (v) collapse (lose significance, effectiveness, or value) "The school system is collapsing"; "The stock market collapsed"
S: (v) 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"
S: (v) weaken (become weaker) "The prisoner's resistance weakened after seven days"
S: (v) decrease, diminish, lessen, fall (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"
S: (v) change (undergo a change; become different in essence; losing one's or its original nature) "She changed completely as she grew older"; "The weather changed last night"