| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | clear, comprehensible |
| Synonyms: | bright, comprehensible, crystal-clear, crystalline, definite, distinct, filmy, intelligible, lucid, luculent, obvious, pellucid, perspicuous, pure, see-through, thin, translucent, transparent, transpicuous, unambiguous |
| Notes: | languid is limp or listless; limpid means clear or calm |
| Antonyms: | incomprehensible, muddy, obscure, unintelligible, vague |
| Main Entry: | bright |
| Part of Speech: | adjective |
| Definition: | sunny, clear (weather) |
| Synonyms: | clement, cloudless, fair, favorable, limpid, lucid, mild, pellucid, pleasant, translucent, transparent, unclouded |
| Antonyms: | black, cloudy, dark, dreary, dusky, gloomy, murky |
| Main Entry: | clear |
| Part of Speech: | adjective |
| Definition: | transparent |
| Synonyms: | apparent, cloudless, crystal, crystal clear, crystalline, glassy, limpid, pellucid, pure, see-through, thin, tralucent, translucent, translucid |
| Antonyms: | clouded, cloudy, foggy, obscured, smudged |
| Main Entry: | crystal |
| Part of Speech: | adjective |
| Definition: | clear, transparent |
| Synonyms: | clear-cut, limpid, lucent, lucid, luminous, pellucid, translucent, transpicuous, unblurred |
| Notes: | crystal from Greek krustallos, originally meant 'ice' and it is, properly, rock crystal - describing ornamental pieces or items of crystallized quartz; fine glass, when cut or etched, is called crystal - but often there is no crystallized quartz but rather lead and it is properly called lead crystal |
| Antonyms: | clouded, foggy |
| Main Entry: | lucid |
| Part of Speech: | adjective |
| Definition: | evident, obvious |
| Synonyms: | apprehensible, clear, clear-cut, comprehendible, comprehensible, crystal clear, distinct, explicit, fathomable, graspable, intelligible, knowable, limpid, luminous, pellucid, plain, translucent, transparent, transpicuous, unambiguous, unblurred, understandable |
| Antonyms: | clouded, obscure, unclear, vague |
| Main Entry: | lucid |
| Part of Speech: | adjective |
| Definition: | clear, transparent |
| Synonyms: | crystalline, diaphanous, gauzy, glassy, limpid, obvious, pellucid, pure, sheer, translucent, transpicuous, unblurred |
| Antonyms: | foggy, muddied, unclear |
| Main Entry: | perspicuous |
| Part of Speech: | adjective |
| Definition: | clear, obvious |
| Synonyms: | apparent, clear-cut, comprehensible, crystal*, crystal-clear, distinct, easily understood, explicit, intelligible, limpid, lucent, lucid, luminous, pellucid, plain, self-evident, straightforward, transparent, unambiguous, unblurred, understandable |
| Antonyms: | obscure, unclear, vague |
| Main Entry: | pure |
| Part of Speech: | adjective |
| Definition: | unmixed, genuine |
| Synonyms: | authentic, bright, classic, clear, complete, fair, flawless, kosher*, limpid, lucid, natural, neat, out-and-out, pellucid, perfect, plain, plenary, pure and simple, real, simple, straight, total, transparent, true, twenty-four carat, unadulterated, unalloyed, unclouded, undiluted, unmingled |
| Antonyms: | impure, mixed, ungenuine |
| Main Entry: | serene |
| Part of Speech: | adjective |
| Definition: | calm, undisturbed |
| Synonyms: | at peace, clear, collected, comfortable, composed, content, cool as a cucumber, cool*, dispassionate, easy, easygoing, fair, halcyon, imperturbable, laid-back*, limpid, patient, peaceful, pellucid, phlegmatic, placid, poised, quiescent, quiet, reconciled, resting, satisfied, sedate, self-possessed, smooth, still, stoical, tranquil, unflappable, unruffled, untroubled |
| Antonyms: | agitated, disturbed, excited, troubled |