- ubériser vt
- ulcérer vt
- ultracentrifuger vt
- ululer vi
- unifier vt
- unifier (s') pronominal
- uniformiser vt
- unir vt
- unir (s') pronominal
- universaliser vt
- upériser vt
- urbanifier vt
- urbaniser vt
- urbaniser (s') pronominal
- urger vimpers
- uriner vi
- user vtind
- user vt
- user (s') pronominal
- usiner vt
- usurper vt
- utiliser vt