Kick sth in Meaning, Examples & How to Use in English

What Does “Kick sth in” Mean?

“Kick sth in” means to start working or taking effect, especially after a delay. It can also mean to contribute money or effort towards something.

Introduction

The phrasal verb “kick sth in” has two main meanings in English. First, it describes when a process, effect, or feeling begins to work or become noticeable. For example, medicine or adrenaline might “kick in” after some time. Second, it is used to talk about contributing money or help towards a shared goal, like “kicking in” cash for a gift. Understanding the kick sth in meaning helps learners use it correctly in everyday conversations. This phrase is common in informal speech and writing, making it useful for learners who want to sound natural and fluent.

Quick Info Box

• Phrasal verb: kick something in
• Type: transitive and intransitive
• Level: B2
• Short meaning: to start working or to contribute

Structure (Grammar Rules)

“Kick sth in” can be separable or inseparable, depending on the meaning.

• When it means “start working”: usually inseparable. Example: “The painkillers will kick in soon.”
• When it means “contribute”: separable. Example: “Everyone kicked in $10 for the gift.”

Patterns:

• kick + something + in (transitive, contribution)
• kick in (intransitive, start working)

How to Use “Kick sth in”?

Use “kick in” to describe when an effect or feeling begins to be felt. For example, “The caffeine kicked in after 15 minutes.” Use “kick something in” when talking about giving money or help. For example, “We all kicked in to buy a present.” It is informal and common in spoken English.

Examples

Here are some natural sentences using “kick sth in”:

• The medicine kicked in after about 30 minutes, and I started to feel better.
• When the rain kicked in, we ran inside quickly.
• Everyone kicked in a few dollars to help pay for the party.
• The adrenaline kicked in just before the race started.
• She kicked in some money to support the charity event.

Using “kick sth in” in a sentence shows how the phrase fits different contexts.

Common Mistakes

People often confuse the separability or mix the meanings of “kick sth in.”

• Incorrect: The medicine will kick the pain in.
• Correct: The medicine will kick in.
• Incorrect: We kicked in for the gift everyone.
• Correct: We all kicked in for the gift.

Remember that when “kick in” means “start working,” it is inseparable. When it means “contribute,” the object comes between “kick” and “in.”

Differences / Synonyms

“Kick sth in” can be similar to “chip in,” “pitch in,” or “take effect,” but each has differences.

• Kick in (start working): Focuses on an effect starting, e.g., “The painkiller kicked in.”
• Chip in / Pitch in: Means to contribute money or effort, often used interchangeably with the contribution meaning of “kick in.”
• Take effect: More formal than “kick in” and usually used in writing.

While “kick in” can be informal and casual, “chip in” and “pitch in” are more about teamwork and contributions.

Common Collocations

Here are some common words used with “kick in”:

• Money: to contribute cash. Example: “They kicked in money for the fundraiser.”
• Effect: when something starts working. Example: “The effect kicked in quickly.”
• Adrenaline: describing a sudden rush. Example: “Adrenaline kicked in during the game.”
• Support: to offer help. Example: “She kicked in support when needed.”

Related Phrasal Verbs

Here are related phrasal verbs of kick sth in:

• Kick Sth Up
• Kick Sth Back
• Kick Sb Off Sth
• Kick Sth Down
• Kick Sth Around

Real-life Dialogue

Here is a short conversation using “kick sth in”:

Tom: The headache is really bad.

Anna: Take this medicine. It should kick in soon.

Tom: Thanks! Also, did you kick in for the birthday gift?

Anna: Yes, I sent $20 yesterday.

Practice

Fill in the blanks with the correct form of “kick in”:

• The painkillers finally ________ after an hour.
• We all ________ some money to buy the new office printer.
• When the cold weather ________, we stayed indoors.
• She ________ a few dollars to help the charity.

FAQs

• What does “kick in” mean? It means to start working or to contribute money or effort.
• Is “kick in” formal or informal? It is mostly informal and used in everyday conversations.
• Can I say “kick the pain in”? No, the correct form is “kick in” without separating the phrase when talking about effects.
• What is the difference between “kick in” and “chip in”? “Kick in” can mean start working or contribute, while “chip in” only means to contribute.
• Can “kick in” be used in business English? It is more common in informal contexts but can be used when talking about contributions.