undoubled

Remaining one layer

Not doubled; remaining single or in its original quantity.

The term appears in card games where doubling is a strategic option: The contract remained undoubled, so the stakes stayed low.

Also describes anything that hasn't been folded over or multiplied: an undoubled layer of fabric.

unpaired

single

One in number

unmatchedHaving no equal
soloPerformance by one
loneExisting by itself

solitary · singleton · odd · unmated · partnerless · unaccompanied · individual · separate · distinct · sole

cardgames

singleton

Only member present

unmatchedHaving no equal
meldBlend thoroughly together
discardDeliberately throw out

hand · deal · bid · contract · rubber · slam · ruff · honors · trick · stock

Opposites

folding/layering

undoubleddoubled

Increased twofold

doubled up · folded · doubled over · redoubled · pleated

multiplication/quantity

undoubleddoubled

Increased twofold

multiplied · duplicated · twofold · increased · redoubled

Family

undoubling, undouble

Familiarity: Top 1,000,000
Profile: Used worldwide · Timeless · Everyday, not technical · Rated G