leap1 past tense and past participle leapt especially British English, leaped especially American English
a) [intransitive always + adverb/preposition]
to jump high into the air or to jump in order to land in a different place:
She leapt over the fence.
The smaller animals can easily leap from tree to tree.
b) [transitive] literary
to jump over something:
Brenda leaped the gate and ran across the field.
to move very quickly and with a lot of energy:
move fast[intransitive always + adverb/preposition]
I leapt up the stairs three at a time.
He leapt out of bed.
She leapt to her feet (=stood up quickly) and started shouting.
to increase quickly and by a large amount [≠ tumble]
Profits leapt to £376m.
He leapt 27 places to second spot.
to accept an opportunity very eagerly:
I leapt at the chance of studying abroad.
5 British English leap to somebody's defense American English
to quickly defend someone:
When her younger brother was being bullied she leapt to his defence.
if your heart leaps, you feel a sudden surprise, happiness, or excitement:
My heart leaped when I saw Paul at the airport.