spearhead

(noun, verb)

noun

1. someone who leads or initiates an activity (attack or campaign etc.)

Definition categories: person, leader

2. the leading military unit in an attack

Definition categories: group, force

3. the head and sharpened point of a spear

Similar word(s): spearpoint

Definition categories: man–made, point

verb

1. be the leader of

- She spearheaded the effort to find a cure for the disease

Definition categories: social, head, lead

Sentences with spearhead as a verb:

- He spearheaded the entire project from day one.