Swear by

phrasal verb

To count on or believe in something or someone very much.

I swear by this brand of toothpaste, it's the best one I've ever used.

Often appears as...

swear by a product
swear by a method

phrasal verb

To take an oath, making a sincere promise.

I swear by all that's holy, I will not let you down.

Often appears as...

swear by a god
swear by a belief

Usage tips

Approving

phrasal verb

To count on or believe in something or someone very much.

I swear by this brand of toothpaste, it's the best one I've ever used.

Often appears as...

swear by a product
swear by a method

phrasal verb

To take an oath, making a sincere promise.

I swear by all that's holy, I will not let you down.

Often appears as...

swear by a god
swear by a belief

Usage tips

Approving

Definition 1 of 2

Pro Tip 1/3

Personal Recommendation

Used when confidently suggesting something based on personal experience.

For quick meals, I swear by these instant noodles.

Pro Tip 2/3

Conveys Trust

Expresses a strong belief in the reliability or effectiveness of something.

When it comes to security, I swear by this alarm system.

Pro Tip 3/3

Not Always Literal

Often used figuratively, not indicating literal swearing or oaths.

I don't often cook, but I swear by my grandma's recipes.

Pro Tip 1/3

Personal Recommendation

Used when confidently suggesting something based on personal experience.

For quick meals, I swear by these instant noodles.

Pro Tip 2/3

Conveys Trust

Expresses a strong belief in the reliability or effectiveness of something.

When it comes to security, I swear by this alarm system.

Pro Tip 3/3

Not Always Literal

Often used figuratively, not indicating literal swearing or oaths.

I don't often cook, but I swear by my grandma's recipes.

Pro Tip 1/3

Personal Recommendation

Used when confidently suggesting something based on personal experience.

For quick meals, I swear by these instant noodles.

Pro Tip 2/3

Conveys Trust

Expresses a strong belief in the reliability or effectiveness of something.

When it comes to security, I swear by this alarm system.

Pro Tip 3/3

Not Always Literal

Often used figuratively, not indicating literal swearing or oaths.

I don't often cook, but I swear by my grandma's recipes.

Visual representation of the word "Swear by"

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