1. (noun) the trait of being frivolous; not serious or sensible

• frivolousness

2. (noun) something of little value or significance

• bagatelle
• fluff
• frippery

3. (noun) acting like a clown or buffoon

• buffoonery
• clowning
• harlequinade
• japery
• prank

1. (noun) the trait of being frivolous; not serious or sensible

• trait

2. (noun) something of little value or significance

• small beer
• trifle
• trivia
• triviality

3. (noun) acting like a clown or buffoon

• craziness
• folly
• foolery
• indulgence
• lunacy
• tomfoolery

1. (noun) the trait of being frivolous; not serious or sensible

• fun
• playfulness
• giddiness
• silliness
• levity

2. (noun) acting like a clown or buffoon

• schtick
• schtik
• shtick
• shtik

1. (noun) the trait of being frivolous; not serious or sensible

• frivolous
• frivolous

2. (noun) acting like a clown or buffoon

• antic
• clown
• clown around
• frivolous

1. (noun) the trait of being frivolous; not serious or sensible

• earnestness
• serious-mindedness
• seriousness
• sincerity