Merriam-Webster's Dictionary and Thesaurus - Merriam-Webster [1239]
Synonyms
calm, calmness, hush, peace, placidity, quiet, quietness, repose, still, stillness, tranquillity—more at CALM
aplomb, composure, coolness, equanimity, self-possession—more at EQUANIMITY
serf noun : a member of a servile class bound to the land and subject to the will of the landowner
— serf·dom noun
serge noun : a twilled woolen cloth
ser·geant noun [ORIGIN: ME, servant, attendant, sergeant, fr. AF sergant, serjant, fr. L servient-, serviens, prp. of servire to serve]
1 : a noncommissioned officer (as in the army) ranking next below a staff sergeant
2 : an officer in a police force
sergeant at arms : an officer of an organization who preserves order and executes commands
sergeant first class noun : a noncommissioned officer in the army ranking next below a master sergeant
sergeant major noun, plural sergeants major or sergeant majors 1 : a noncommissioned officer in the army or marine corps serving as chief administrative assistant in a headquarters
2 : a noncommissioned officer in the marine corps ranking above a first sergeant
1serial adjective 1 : appearing in successive parts or numbers 2 : performing a series of similar acts over a period of time ; also : occurring in such a series — se·ri·al·ly adverb Synonyms episodic, periodic; also sequential; recurrent, regular 2serial noun : a serial story or other writing — se·ri·al·ist noun se·ries noun, plural series : a number of things or events arranged in order and connected by being alike in some way seri·graph noun : an original silk-screen print — se·rig·ra·pher noun — se·rig·ra·phy noun se·ri·ous adjective 1 : thoughtful or subdued in appearance or manner : SOBER 2 : requiring much thought or work 3 : EARNEST, DEVOTED 4 : having important or dangerous possible consequences 5 : excessive or impressive in quantity or degree 6 : of or relating to a matter of importance — se·ri·ous·ly adverb Synonyms [1] earnest, grave, humorless, severe, sober, solemn, staid, unsmiling, weighty; also harsh, stern, strict; dignified, distinguished, elevated Antonyms facetious, flip, flippant, humorous, jocular, joking, playful [4] dangerous, grave, grievous, hazardous, menacing, parlous, perilous, risky, unhealthy, unsafe, venturesome—more at DANGEROUS [6] grave, heavy, weighty; also big, consequential, eventful, important, major, material, meaningful, momentous, significant, substantial Antonyms light se·ri·ous·ness noun : the quality or state of being serious Synonyms earnestness, gravity, intentness, sobriety, solemnity—more at EARNESTNESS ser·mon noun [ORIGIN: ME, fr. AF sermun, fr. ML sermon, sermo, fr. L, speech, conversation, fr. serere to link together] 1 : a religious discourse esp. as part of a worship service 2 : a lecture on conduct or duty ser·mon·ize verb -ized; -iz·ing 1 : to compose or deliver a sermon 2 : to preach to or on at length se·rol·o·gy noun : a science dealing with serums and esp. their reactions and properties — se·ro·log·i·cal or se·ro·log·ic adjective se·ro·to·nin noun : a neurotransmitter that is a powerful vasoconstrictor se·rous adjective : of, relating to, resembling, or producing serum; especially : of thin watery constitution ser·pent noun : SNAKE 1serpentine adjective 1 : SLY, CRAFTY 2 : winding or turning one way and another Synonyms crooked, devious, sinuous, tortuous, winding—more at CROOKED 2serpentine noun : a dull-green mineral having a mottled appearance ser·rate adjective : having a saw-toothed edge ser·ried adjective : crowded or pressed together : DENSE Synonyms close, compact, crowded, dense, packed, thick, tight—more at CLOSE se·rum noun, plural serums or se·ra [ORIGIN: L, whey, wheylike fluid] : the clear yellowish antibody-containing fluid that can be separated from blood when it clots; also : a preparation of animal serum containing specific antibodies and used to prevent or cure disease serv abbreviation service