1. (noun)second, sec, s 1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites Synonyms: endorsement, second, instant, sulfur, sulphur, secondment, s, second base, second gear, sec, secant, moment, siemens, indorsement, due south, reciprocal ohm, mho, south, mo, irregular, southward, entropy, randomness, atomic number 16, bit, arcsecond, minute Antonyms: first, cardinal
2. (noun)moment, mo, minute, second, bit an indefinitely short time Synonyms: turn, molybdenum, act, spot, irregular, piece, endorsement, chip, bit, min, flake, snatch, arcminute, second gear, instant, second, minute of arc, routine, s, mo, minute, fleck, atomic number 42, sec, bite, secondment, number, second base, morsel, scrap, moment, hour, indorsement, here and now, import, consequence, present moment, arcsecond Antonyms: cardinal, first
3. (noun)second base, second the fielding position of the player on a baseball team who is stationed near the second of the bases in the infield Synonyms: minute, irregular, instant, bit, endorsement, moment, sec, arcsecond, indorsement, second, mo, secondment, second gear, second base, s Antonyms: cardinal, first
4. (noun)moment, minute, second, instant a particular point in time Synonyms: endorsement, consequence, instant, present moment, import, second, minute of arc, arcminute, second gear, s, flash, sec, secondment, min, hour, moment, indorsement, wink, twinkling, here and now, heartbeat, jiffy, mo, second base, irregular, blink of an eye, split second, trice, bit, arcsecond, minute Antonyms: cardinal, first
5. (noun)second following the first in an ordering or series Synonyms: minute, irregular, instant, bit, endorsement, moment, sec, arcsecond, indorsement, mo, secondment, second gear, second base, s Antonyms: cardinal, first
6. (noun)second, arcsecond a 60th part of a minute of arc Synonyms: minute, irregular, instant, bit, endorsement, moment, sec, arcsecond, indorsement, second, mo, secondment, second gear, second base, s Antonyms: cardinal, first
7. (noun)second the official attendant of a contestant in a duel or boxing match Synonyms: minute, irregular, instant, bit, endorsement, moment, sec, arcsecond, indorsement, mo, secondment, second gear, second base, s Antonyms: first, cardinal
8. (noun)second, secondment, endorsement, indorsement a speech seconding a motion Synonyms: endorsement, second, instant, secondment, s, second base, second gear, sec, warrant, moment, indorsement, sanction, blurb, countenance, imprimatur, mo, irregular, bit, arcsecond, minute Antonyms: first, cardinal
9. (noun)second gear, second the gear that has the second lowest forward gear ratio in the gear box of a motor vehicle Synonyms: minute, instant, bit, endorsement, moment, sec, second gear, indorsement, arcsecond, second, mo, secondment, irregular, second base, s Antonyms: first, cardinal
10. (adj)irregular, second merchandise that has imperfections; usually sold at a reduced price without the brand name Synonyms: endorsement, second base, instant, insurgent, secondment, s, minute, second gear, second, moment, indorsement, guerilla, guerrilla, sec, mo, irregular, bit, arcsecond Antonyms: first, cardinal
11. (adj)second, 2nd, 2d coming next after the first in position in space or time or degree or magnitude Synonyms: second Antonyms: first, cardinal
12. (verb)second a part or voice or instrument or orchestra section lower in pitch than or subordinate to the first Antonyms: first, cardinal
13. (verb)second, back, endorse, indorse give support or one's approval to Synonyms: indorse, support, gage, plunk for, second, back up, back, plump for, certify, stake, bet on, game, punt, endorse Antonyms: first, cardinal
14. (adverb)second transfer an employee to a different, temporary assignment Synonyms: back, indorse, endorse Antonyms: cardinal, first
15. (adverb)second, secondly in the second place Synonyms: second, secondly Antonyms: first, cardinal
Synonyms, Thesaurus & Antonyms of 'second'
English Synonyms and Antonyms
1. second Help expresses greater dependence and deeper need than aid. In extremity we say "God help me!" rather than "God aid me!" In time of danger we cry "help! help!" rather than "aid! aid!" To Synonyms: help, abet, befriend, foster, succor, uphold, aid, cooperate, second, support, assist, encourage, stand by, sustain Antonyms: counteract, discourage, oppose, resist, thwart, withstand
Synonyms for second 
