ETYM Latin perturbare, perturbatum; per + turbare to disturb, from turba a disorder: cf. Old Fren. perturber. Related to Per-, and Turbid.
1. To throw into great confusion or disorder; SYN. derange, throw out of kilter.
2. To disturb in mind or make uneasy or cause to be worried or alarmed; SYN. unhinge, disquiet, trouble, cark, distract, disorder.
3. To disturb or interfere with the usual path of an electron or atom.
4. To cause a celestial body to deviate from a theoretically regular orbital motion, esp. as a result of interposed or extraordinary gravitational pull.
1. Déranger.
2. Troubler.
1. Rendre trouble. Troubler l'eau.
2. Brouiller.
3. Altérer. Troubler une image.
4. Perturber. Troubler l'esprit.
5. Inquiéter. Troublé par une coďncidence.
6. (Pron.) Se démonter. Il se trouble facilement.