Four idioms share the verb "strike" with a different or absent particle, and none of them mean beginning an interaction.
No. "Strike a deal", "strike a balance", "strike out (on one's own)", and "(be/go) on strike" are unrelated idioms that happen to share the verb "strike" with a different or absent particle. None of them mean beginning an interaction.
Same verb, four unrelated meanings
Every member of this small family starts with the same verb, which is exactly why they get confused. "Strike a deal" means reaching an agreement — no "up", and a transactional meaning strike up doesn't carry. "Strike a balance" means finding equilibrium between competing priorities.
"Strike out (on one's own)" means venturing out independently, often leaving an existing role or company. "(Be/go) on strike" refers to a labor action.
The most frequent real error is a particle blend: reaching for "strike up" when "strike a deal" is actually meant, producing a sentence that claims an agreement was reached when only a conversation began.
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"They struck up a deal on pricing" is wrong — this blends two idioms. "They struck a deal on pricing" is correct: an agreement was reached, with no "up."
"The two departments struck a balance between speed and quality after months of friction" — equilibrium between competing priorities, unrelated to beginning an interaction.
"After the acquisition fell through, she decided to strike out on her own and start a consultancy" — venturing out independently, a different idiom entirely from striking up a conversation with someone else.
Practice scenarios
Practice using strike up in situations like:
- describing an agreement being reached, without accidentally adding an unnecessary up
- describing a compromise reached between competing priorities
- describing someone leaving a role to start something independently
Useful practice phrases:
- "They struck a deal on..."
- "The two sides struck a balance between..."
- "She decided to strike out on her own and..."
One verb, four unrelated destinations — an agreement, an equilibrium, an independent venture, a labor dispute.
None of them is where strike up ever takes you.
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