(1):

(n.) An effort; a striving.

(2):

(n.) Strife; contention.

(3):

(v. i.) To make efforts; to use exertions; to endeavor with earnestness; to labor hard.

(4):

(v. i.) To vie; to compete; to be a rival.

(5):

(v. i.) To struggle in opposition; to be in contention or dispute; to contend; to contest; - followed by against or with before the person or thing opposed; as, strive against temptation; strive for the truth.