Still, if you don't have the more accurate word in your vocabulary, then don't use it. It will sound stilted and unnatural in the context of your sentence.
Most importantly though — this is a tool, and not a replacement for taste and judgment. Seen from that perspective, it’s a much more potent tool than what a traditional dictionary offers.
-- William Faulkner, of Ernest Hemmingway
"Poor Faulkner. Does he really think big emotions come from big words? He thinks I don’t know the ten-dollar words. I know them all right. But there are older and simpler and better words, and those are the ones I use."
-- Hemmingway, of Faulkner