Thread vs Wire

When to use each in English, with meaning, register, and examples.

Thread

Top 1,000 (very common)C1noun

Wire

Top 1,000 (very common)B2noun
 ThreadWire
Pronunciation🇬🇧 /["/θred/"]/🇺🇸 /["/θred/"]/🇬🇧 /["/ˈwaɪə(r)/"]/🇺🇸 /["/ˈwaɪər/"]/
MeaningA thin string used for sewing or weaving.A thin, flexible piece of metal.
ExampleShe used a red thread to sew the button back onto the shirt.The electrician used a wire to connect the lights.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelC1B2
Part of speechnounnoun
Collocationsstrong, delicate, fine, length, piece, spin, pull, cut, hanging by a thread, needle and thread, central, main, common, have, follow, trace, run through something, connect, link, comment, discussion, open, starttaut, loose, fine, length, piece, strand, cut, bend, twist, mesh, netting, basket, behind a/​the wire, under a/​the wire, electric, electrical, electricity, attach, connect, disconnect, go, lead, run, along a/​the wire, down a/​the wire, a tangle of wires
Antonymsend, gapstring, cord
Common mistakesConfused with 'thred' — remember there are two 'd's., Using 'thread' as a verb incorrectly., Mixing up 'thread' with 'string' in non-sewing contexts.Confused with 'wired' which means connected electronically., Used as a verb without proper context (e.g. saying 'I wire' instead of 'I wire it').
Usage notesUse 'thread' when discussing sewing, knitting, or connecting ideas in writing. Avoid using in overly casual contexts where a simpler term might suffice.Used to refer to electrical wires or wires used in crafts. In informal settings, it can also refer to stealing (e.g. 'to wire money'). Avoid using in formal contexts when discussing abstract ideas.

Frequently asked questions: Thread vs Wire

What's the difference between Thread and Wire?

Thread: A thin string used for sewing or weaving. Wire: A thin, flexible piece of metal.

Are Thread and Wire the same CEFR level?

Thread: C1, Wire: B2 on the CEFR scale.

Can I use Thread and Wire interchangeably?

Not always. Thread and Wire are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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