Extra
Extra noun - An interchangeable part or piece of equipment that is kept on hand for replacement of an original.
One-way
One-way adjective - Moving or permitting movement in one direction only.
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Synonyms for One-way
Both words in one sentence
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Most notably with their exchange in the America's Birthday strip, where Russia gives America a huge box of "extra small" condoms and a one-way ticket to Siberia.
Source: Passive-Aggressive Kombat -
Dilbert does this in a one-way fashion with "Ted The Generic Guy," who has no consistent personality and shows up whenever a generic extra is needed.
Source: Alice and Bob
Cite this Source
One-way and Extra. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/extra/one-way
Extra & One-way. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/extra/one-way>.
One-way or Extra. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/extra/one-way.