1. strong and durable; not easily broken or damaged
2. difficult to do or deal with
3. physically or mentally strong and determined

1. a rough or violent person
Usage: informal

1. to endure or persist through difficulty
Usage: usually with ‘out’

Examples

• The tough leather boots lasted for years.
• The math test was really tough.
• She’s tough enough to handle any challenge.
• The coach has tough rules about attendance.
• This steak is too tough to eat.
• The neighborhood tough was causing trouble again.
• We’ll have to tough it out until help arrives.