Anagrams of: UNSTACKING

• To unfasten (something tacked).

• To remove the tack from.

• a light informal meal

• eat a snack; eat lightly

• an orderly pile

• (often followed by `of') a large number or amount or extent

• a list in which the next item to be removed is the item most recently stored (LIFO)

• a large tall chimney through which combustion gases and smoke can be evacuated

• a storage device that handles data so that the next item to be retrieved is the item most recently stored (LIFO)

• load or cover with stacks

• arrange in stacks

• arrange the order of so as to increase one's winning chances

• eatables (especially sweets)

• (sports) a bodily position adopted in some sports (such as diving or skiing) in which the knees are bent and the thighs are drawn close to the chest

• a narrow flattened pleat or fold that is stitched in place

• a straight sword with a narrow blade and two edges

• fit snugly into

• make a tuck or several folds in

• draw together into folds or puckers

• coarse fabric used for bags or sacks

• the termination of someone's employment (leaving them free to depart)

• a loose temporary sewing stitch to hold layers of fabric together

• (nautical) the act of changing tack

• (sometimes figurative) To free from the condition of being stuck.