minus

decrease

Become or make smaller

• lowerReduce or move downward
• lessenReduce in degree
• reduceMake smaller in degree

cut · shrink · deduct · dock · withdraw · remove · take away · knock off · shave off · trim

subtract

Remove from a sum

• differenceWay things contrast
• deductSubtract from a total
• takeawayCore message retained

arithmetic · calculate · equation · decrement · mathematics · algebra · negative numbers · borrow · remainder · operation

without

Lacking or absent

• lackingBeing without something
• missingNot present, whereabouts unknown
• devoidEntirely without

less · excluding · omitting · save for · barring · except · not counting · short of

shortage

Deficient supply of necessities

• shortfallFailure to reach quota
• deficiencyLack of something needed
• insufficiencyShortfall in amount needed

lack · scarcity · gap · undersupply · depletion · loss · arrears · debt · negative balance · in the red

drawback

Unfavorable feature or flaw

• downsideDisadvantage of something
• disadvantageUnfavorable circumstance or condition
• conArgument against

negative · detractor · weakness · liability · shortcoming · flaw · catch · handicap · limitation

negative sign

Symbol indicating subtraction

• dashQuick burst or pinch
• hyphenMark joining compound words
• operatorOne who works machinery

notation · prefix · indicator

• arithmeticaddition, subtraction, multiplication, division, sum
• math operationsaddition, adding, subtraction, subtracting, multiplication
• calculator buttonsplus, equals, multiply, divide, percent
• pros and conspros, cons, advantage, disadvantage, pluses
• less thanfewer, smaller, lower, reduced, diminished
• math expressionsdo the math, add up, crunch numbers, number crunching, number cruncher