1. (Pronominal) (Figuré) Devenir flou.
La ligne de montagnes s'estompe de vapeurs roses.
2. [symbol] (mathematics) dimension
3. [adjective] Not bright or colorful.
4. [adjective] (colloquial) Not smart or intelligent.
5. [adjective] Indistinct, hazy or unclear.
6. [adjective] Disapproving, unfavorable: rarely used outside the phrase take a dim view of.
7. [adverb] (obsolete) Dimly, indistinctly.
8. [noun] (archaic) Dimness.
9. [verb] (transitive) To make something less bright.
10. [verb] (intransitive) To become darker.
11. [verb] To render dim, obscure, or dark; to make less bright or distinct; to take away the luster of; to darken; to dull; to obscure; to eclipse.
12. [verb] To deprive of distinct vision; to hinder from seeing clearly, either by dazzling or clouding the eyes; to darken the senses or understanding of.
13. [verb] Switch (a car's headlights) from a higher to a lower beam.
14. [verb] Become dim or lusterless; 'the lights dimmed and the curtain rose'.
15. [verb] Make dim or lusterless; 'Time had dimmed the silver'.
16. [verb] Make dim by comparison or conceal.
17. [verb] Become vague or indistinct; 'The distinction between the two theories blurred'.
18. [adjective] Lacking in light; not bright or harsh; 'a dim light beside the bed'; 'subdued lights and soft music'.
19. [adjective] Lacking clarity or distinctness; 'a dim figure in the distance'; 'only a faint recollection'; 'shadowy figures in the gloom'; 'saw a vague outline of a building through the fog'; 'a few wispy memories of childhood'.
20. [adjective] Made dim or less bright; 'the dimmed houselights brought a hush of anticipation'; 'dimmed headlights'; 'we like dimmed lights when we have dinner'.
21. [adjective] Offering little or no hope; 'the future looked black'; 'prospects were bleak'; 'Life in the Aran Islands has always been bleak and difficult'- J.M.Synge; 'took a dim view of things'.
22. [adjective] Slow to learn or understand; lacking intellectual acuity; 'so dense he never understands anything I say to him'; 'never met anyone quite so dim'; 'although dull at classical learning, at mathematics he was uncommonly quick'- Thackeray; 'dumb officials make some really dumb decisions'; 'he was either normally stupid or being deliberately obtuse'; 'worked with the slow students'.