vow

A serious promise you mean to keep forever.

vow in a sentence

The knight made a vow to guard the castle gates until his last day.
After the flood spoiled her books, Isla made a vow to keep them all on the top shelf.

promise, word

warble: To sing with a gentle, trembling sound like a bird.
whimper: To make small, weak crying sounds.
wrangle: To argue noisily for a long time.
yodel: To sing by quickly switching between low and very high notes.
admission: The act of admitting that something is true, often something you did wrong.
assure: To tell someone firmly that something is definitely true.
babble: To talk quickly in a way that makes no sense, or to make a bubbling sound.
banter: The friendly, playful teasing and joking between people.

Plain-English guides to each test, from the councils’ own pages: Kent Test · Medway Test · Bucks Secondary Transfer Test