triatomic /trī-ə-tomˈik/

1. Consisting of three atoms
2. Having three replaceable atoms or groups
3. Trivalent

• unfooted
• unforbid
• unforbidden
• unforced
• unforced error
• unforcedly
• unforcible
• unfordable
• unforeboding
• unforeknowable
• unforeknown
• unforeseeable
• unforeseeing
• unforeseen
• unforeskinned
• unforested
• unforetold
• unforewarned
• unforfeited
• unforged
• unforgettable
• unforgettably
• unforgivable
• unforgiven
• unforgiveness