1. (noun) an alert and energetic person

• busy bee
• eager beaver
• live wire
• sharpy

2. (noun) a professional card player who makes a living by cheating at card games

• card shark
• card sharp
• card sharper
• cardsharp
• cardsharper
• sharper
• sharpy

1. (noun) an alert and energetic person

• actor
• doer
• worker

2. (noun) a professional card player who makes a living by cheating at card games

• card player
• chiseler
• chiseller
• defrauder
• gouger
• grifter
• scammer
• swindler

3. (noun) a pen with indelible ink that will write on any surface

• pen
• trademark

4. (noun) a shallow-draft sailboat with a sharp prow, flat bottom, and triangular sail; formerly used along the northern Atlantic coast of the United States

• sailboat
• sailing boat

1. (noun) an alert and energetic person

• goffer
• gopher