toughenverb trans and intrans (toughened, toughening)

• desiderate
• desideratum
• design
• designate
• designation
• designedly
• designer
• designer baby
• designer drug
• designing
• desirable
• desire
• desirous
• desist
• desk
• deskbound
• desk editor
• de-skill
• desk job
• desktop
• desktop publishing
• desman
• desolate
• desolation
• desorb