spend
Word family
Synonym discussion
Sense: verb/1
All four words involve money changing hands, but they highlight different parts of the situation. 'Spend' focuses on the person giving up money rather than on what is received — you can spend money on anything without necessarily owning it afterwards (e.g. a hotel stay or a meal). 'Pay' centres on the act of settling a debt or bill; you pay for something specific, often a fixed amount. 'Buy' emphasises acquiring ownership of an object in exchange for money; you buy a car, but you do not buy a concert ticket the same way — you pay for it or spend money on it. 'Invest' suggests spending money with the expectation of future gain, either financial (buying shares) or personal (investing in education). Example: 'Quinn spent two hundred dollars on concert tickets' (focus on the outflow) vs. 'Quinn bought two concert tickets' (focus on what was obtained) vs. 'Quinn paid two hundred dollars for the tickets' (focus on settling the price) vs. 'Quinn invested in music lessons' (focus on long-term benefit).
Common collocations
Etymology
The word 'spend' entered Middle English around the 12th century from Old English 'spendan', which came from Latin 'expendere' — a combination of 'ex-' (out) and 'pendere' (to weigh, to pay). In ancient Rome, payments were often made by weighing out metal coins, so 'weighing out' became a metaphor for 'paying out' money. Over time the meaning expanded from monetary payment to the use of any resource — first time, then energy and effort.