Vow of allegiance

Meaning of: Vow of allegiance Swear, promise or give your word to be loyal and faithful.

Vouch for somebody

Meaning of: Vouch for somebody Give assurance; guarantee; speak for someone’s integrity.

Voice an opinion

Meaning of: Voice an opinion Give vent to one’s emotions and feelings

Vexing behavior

Meaning of: Vexing behavior Annoying, troublesome worrying behavior.

Very slow-going

Meaning of: Very slow-going Proceeding with difficulty at a very slow rate