| Dipsacales | Dipsacales |
| dipsologie | dipsology |
| dipsomane | dipsomaniac |
| dipsomanie | dipsomania |
| Dipswitch | DIP switch |
| Diptera | Fly |
| Dipterocarpaceae | Dipterocarpaceae |
| Dipteronia | Dipteronia |
| diptote | diptote |
| diptères | dipteran |
| dipôle | dipole |
| Dipôle électrostatique | Electrical dipole moment |
| Dirac | Dirac |
| Dirachmaceae | Dirachma |
| Dirceu | Dirceu |
| Dirck Volkertszoon Coornhert | Dirck Volckertszoon Coornhert |
| Dircé | Dirce |
| dire | say |
| dire adieu | take one's leave |
| dire beaucoup de bien de | speak very well of |
| Dire Dawa | Dire Dawa |
| dire des absurdités | twaddle |
| dire des bêtises | talk nonsense |
| dire des choses sensées | talk sense |
| Dire des méchancetés | Say spiteful things |
| dire deux mots à | tackle |
| dire du mal de | defame |
| Dire et redire | Tell time and time again |
| Dire la bonne aventure | Fortune |
| Dire la messe | Say mass |
| Dire la vérité | Speak the truth |
| dire quelque chose | ring a bell |
| dire sa façon de penser | speak one's mind |
