¹ round adjective

• shaped like a circle or ball
• shaped like a cylinder
• having curves rather than angles

² round adverb

• around
• from beginning to end

³ round noun

• one of a series of similar events—often + of
• a series of similar actions, events, or things—usually + of
• a regular series of activities—usually + of

⁴ round verb

• to go or pass around (something)
• to finish or complete (something) in a good or suitable way—+ off or out
• to cause (something) to have a round shape—often + off

⁵ round preposition

• around
• all during : throughout