How to Use Metaphors in a Poem
Quick answer: How to use metaphors in a poem: choose one surprising, accurate comparison and develop it, instead of scattering many. Method, examples and pitfalls.
Use metaphors in a poem by choosing comparisons that are both surprising and accurate, then giving each one room to develop rather than piling several into one stanza. A metaphor states that one thing is another ('the moon is a coin') and lets the reader feel the transfer of qualities. The craft is in the gap: too small ('the sea is like water') and nothing happens; too large ('my love is a filing cabinet') and the reader falls into it, unless you climb down and show the connection.
One strong metaphor, extended and explored, nearly always beats five clever ones jostling for space. Mixed metaphors, where the prisoner of love sails an ocean of grief up a mountain of regret, are the fastest way to make a serious poem funny by accident.
Surprise plus accuracy
Every metaphor is a bet that two unlike things share a hidden property. The reader's pleasure is verifying the bet. 'Fog comes on little cat feet', from Carl Sandburg's 1916 poem, works because fog genuinely is silent, unhurried and indifferent, all cat qualities. The surprise draws attention; the accuracy pays it off. When testing your own metaphor, ask two questions: has the reader seen this pairing before, and is it actually true? Cliches fail the first test. Random pairings fail the second.
Extend rather than accumulate
Once a metaphor lands, mine it. If grief is a house, the poem can walk its corridors: which rooms are locked, what the windows face, who still has a key. This extension, sometimes called a conceit, gives a poem architecture for free. A worked example in four original lines: 'Grief moved in without asking. / It rearranged the furniture, / hung its coats in every closet, / paid no rent but changed the locks.' One comparison, four developments, and the poem has somewhere to go next.
Common pitfalls
Watch for these failure modes when you revise.
Metaphor versus simile
A simile flags its comparison with 'like' or 'as'; a metaphor commits without warning. Neither is superior. Similes feel more spoken, more provisional, and give the reader a half-step of distance. Metaphors feel more transformative and confident. Many poets draft with similes, then remove the 'like' in revision to see if the line gains force. Try both and let the poem's tone decide. Judges scoring for creativity and language notice fresh comparisons more than any other single device.
What poets can take from this
- Test each metaphor for surprise and accuracy; it needs both.
- Develop one comparison across several lines instead of stacking new ones.
- Never explain a metaphor after making it; trust the transfer.
- Hunt cliche pairs out of your drafts (time/thief, eyes/oceans).
- Try deleting 'like' from a simile to see whether the line strengthens.
Try it yourself
Write a poem built on one metaphor stated in the first line ('Anger is a rented room', or your own) and extended through every subsequent line. Do not introduce a second comparison anywhere.
Questions
How many metaphors should a poem have?
There is no quota, but one developed metaphor usually outperforms several brief ones. Short lyric poems often need only a single comparison; longer poems can hold a few if they take turns rather than overlap.
What is an extended metaphor called?
A conceit, especially when it structures a whole poem. The metaphysical poets, John Donne most famously, built entire arguments on single elaborate comparisons.
Can a whole poem be a metaphor?
Yes. An allegorical poem describes one thing literally, a road, a house, a harvest, while meaning another throughout. Frost's The Road Not Taken operates this way, which is why people argue about it a century later.
By the Writory editorial team, reviewed by working poets. Updated July 2026.
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