Click any word in a definition or example to find the entry for that word
A change in temperature may make moisture form on the windows.
A smile formed on his lips.
A plan began to form in her mind.
The boys and girls formed a line behind their teacher.
A dozen or so armed guards formed a ring around the exit.
Fieldwork forms an important part of the course.
Mountains form a natural barrier that keeps invaders out.
Land ownership formed the basis of their wealth and power.
Her character was largely formed by the loss of her family in the war.
You normally add ‘-ing’ to form the present participle of English verbs.
This is the British English definition of form. View American English definition of form.