Swear to
verb
To promise sincerely or strongly that something is true.
I swear to you, I did not take your pen.

Often appears as...
- swear to god
- swear to tell
verb
To make a serious promise to do something.
I swear to protect this land with my life.

Often appears as...
- swear to uphold
- swear to honor
verb
To use offensive or disrespectful language.
He began to swear to everyone around him out of frustration.

Often appears as...
- swear to oneself
- swear to loudly
Usage tips
Informal, Disapproving
Colloquial
verb
To promise sincerely or strongly that something is true.
I swear to you, I did not take your pen.

Often appears as...
- swear to god
- swear to tell
verb
To make a serious promise to do something.
I swear to protect this land with my life.

Often appears as...
- swear to uphold
- swear to honor
verb
To use offensive or disrespectful language.
He began to swear to everyone around him out of frustration.

Often appears as...
- swear to oneself
- swear to loudly
Usage tips
Informal, Disapproving
Colloquial
Definition 1 of 3

Sincere Assurance
Used when you want to convince someone that what you're saying is completely true.

I swear to you, I haven't seen your wallet.
Emotional Weight
Adds emotional intensity to your statement, showing you're serious.

I swear to do everything possible to help you.
Trust Building
Used to build or reinforce trust when your honesty is in doubt.

I swear to you, I was at home last night.
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