Delay vs Filibuster

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

Delay

Top 1,000 (very common) B2 noun

Filibuster

Formal Beyond 10,000 (less common)

Most formal: Filibuster Most common: Delay

	Delay	Filibuster
Pronunciation	🇬🇧 /["/dɪˈleɪ/"]/ 🇺🇸 /["/dɪˈleɪ/"]/ Hear Delay	🇬🇧 //ˈfɪl.ɪˌbʌs.tər// 🇺🇸 //ˈfɪl.ɪˌbʌs.tɚ// Hear Filibuster
Meaning	To make something happen later than planned.	A way to delay or stop a discussion in politics.
Example	Due to the heavy traffic, there was a significant delay in our arrival time.	The senator decided to use a filibuster to block the new law.
Register	Neutral	Formal
How common	Top 1,000 (very common)	Beyond 10,000 (less common)
CEFR level	B2	-
Part of speech	noun
Collocations	considerable, enormous, lengthy, series, be subject to, be plagued by, encounter, occur, without delay, delay in, delay of, considerable, enormous, lengthy, series, be subject to, be plagued by, encounter, occur, without delay, delay in, delay of	invoke a filibuster, conduct a filibuster, support a filibuster, filibuster rules, effective filibuster
Antonyms	advance, hasten, expedite	-
Common mistakes	Confusing 'delay' with 'defer' — 'defer' is often more formal., Using 'delayed' incorrectly in tense — check verb forms for accuracy., Overusing 'delay' in casual speech when simpler options like 'wait' are available.	Confused with 'obstruction' - filibuster is a specific political tactic., Using in non-political contexts - should be limited to legislative situations.
Usage notes	Use 'delay' when referring to postponing events or actions. It's appropriate in both formal and informal contexts, but avoid using it in very casual conversations where simpler words like 'wait' might suffice.	Mainly used in political contexts, often in the US Congress. More formal, not used in everyday conversation.

Frequently asked questions: Delay vs Filibuster

What's the difference between Delay and Filibuster?

Delay: To make something happen later than planned. Filibuster: A way to delay or stop a discussion in politics.

Which is more formal: Delay and Filibuster?

Filibuster is the most formal of these.

Which is more common: Delay and Filibuster?

Delay is the most common in everyday English.

Can I use Delay and Filibuster interchangeably?

Not always. Delay and Filibuster 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.