Words to Describe tougher

Things tougher often describes ("tougher ________")

• cuts
• stand
• criteria
• requirements
• approach
• skin
• time
• conditions
• nut
• job
• steel
• jobs
• rules
• material
• fiber
• ones
• boys
• law
• challenge
• fibre
• provisions
• assignment
• posture
• film
• sell
• demands
• resistance
• fight
• controls
• policy
• regulation
• customer
• breed
• issues
• sentencing
• problem
• action
• position
• competition
• enforcement
• line
• policies
• version
• legislation
• parts
• game
• penalties
• metal
• laws
• discipline
• decisions
• proposition
• measures
• road
• standards
• test
• problems
• opposition
• attitude
• environment
• regulations
• question
• skins
• opponent
• stance
• questions
• task
• terms
• sanctions
• battle
• texture
• opponents
• standard
• stuff
• times
• assignments
• meat
• leaves
• restrictions
• challenges
• sentences
• bill
• materials
• regime