(computing) enqueuing

(computing) to enqueue

hedge, fence

work done for free, unpaid work, uncompensated work / work done in vain, work with no favorable end result

to work for free, to work without pay or other compensation / to work in vain, to work with no favorable end result

(archaic, grammar) any word that declines or conjugates / (archaic, grammar) more specifically, a verb

(biochemistry) an endorphin

polyene

(video games) encounter / (Internet slang) chance meeting with someone in real life

(video games) to encounter / (Internet slang) to meet with someone by chance in real life