Type any word!

On a lark Meaning in English

expression

ˈɑn/, /ˈɔn/ /ˈeɪ/, /ə/ /ˈɫɑɹk
ON-uh-LARK
ˈɒn/ /æɪ/ /lˈɑːk
ON-uh-LAHK

Definition

If you do something on a lark, you do it suddenly just for fun, without planning or a serious reason.

Usage & Nuances

Informal and often playful; typically describes unplanned, impulsive actions taken for amusement. Similar to 'just for fun' or 'on a whim,' but slightly more lighthearted or adventurous. Rarely used for serious situations.

Example Sentences

We decided to take a road trip on a lark.

basic

She bought a bright hat on a lark.

basic

They joined the dance class on a lark.

basic

He asked her out on a lark, not expecting her to say yes.

natural

Sometimes the best adventures happen on a lark.

natural

We painted our living room red on a lark after seeing a TV show.

natural