| a. | 1. | Pleased; contented; unruffied; undisturbed; serene; peaceful; tranquil; quiet; gentle. |
| Adj. | 1. | placid - free from disturbance; "a ribbon of sand between the angry sea and the placid bay"; "the quiet waters of a lagoon"; "a lake of tranquil blue water reflecting a tranquil blue sky"; "a smooth channel crossing"; "scarcely a ripple on the still water"; "unruffled water" |
| 2. | placid - not easily irritated; "an equable temper"; "not everyone shared his placid temperament"; "remained placid despite the repeated delays" | |
| 3. | placid - without untoward incident or disruption; "a placid existence"; "quiet times" Synonyms: quiet | |
| 4. | placid - taking life easy; "an easygoing man rarely stirred to anger"; "an air of placid sufficiency" Synonyms: easygoing |