SMARTEN Antonyms

• reduce the level of land, as by erosion

• reduce in worth or character, usually verbally

• lower the grade of something; reduce its worth

• made dim or less bright

• lacking in light; not bright or harsh

• lacking clarity or distinctness

• offering little or no hope

• slow to learn or understand; lacking intellectual acuity

• switch (a car's headlights) from a higher to a lower beam

• become dim or lusterless

• make dim or lusterless

• make dim by comparison or conceal

• become vague or indistinct

• disarrange or rumple; dishevel

• lacking in liveliness or animation

• emitting or reflecting very little light

• not keenly felt

• not having a sharp edge or point

• being or made softer or less loud or clear

• so lacking in interest as to cause mental weariness

• (of color) very low in saturation; highly diluted

• slow to learn or understand; lacking intellectual acuity

• (of business) not active or brisk

• blunted in responsiveness or sensibility

• not clear and resonant; sounding as if striking with or against something relatively soft

• darkened with overcast

• make dull in appearance

• become dull or lusterless in appearance; lose shine or brightness

• deaden (a sound or noise), especially by wrapping

• make numb or insensitive

• make dull or blunt

• become less interesting or attractive

• make less lively or vigorous

• lack of attention and due care

• the state of something that has been unused and neglected

• willful lack of care and attention

• the trait of neglecting responsibilities and lacking concern

• failure to act with the prudence that a reasonable person would exercise under the same circumstances

• leave undone or leave out

• fail to do something; leave something undone

• fail to attend to

• give little or no attention to

• become slow or slower

• make less active or fast

• become looser or slack

• make slack as by lessening tension or firmness

• not neat and tidy

• grow worse

• make worse