one–way adjective : moving, allowing movement, or functioning in only one direction <~ streets>
on·go·ing adjective 1 : continuously moving forward
2 : being actually in process
Synonyms
[1] afoot, proceeding; also functioning, happening, operating, working; afloat, alive; advancing, gaining
Antonyms
arrested, halted, stalled, stopped
[2] current, extant, present—more at PRESENT
on·ion noun : the pungent edible bulb of a widely cultivated plant related to the lilies; also : this plant
on·ion·skin noun : a thin strong translucent paper of very light weight
on·line adjective or adverb : connected to, served by, or available through a computer network (as the Internet); also : done while online
on·look·er noun : SPECTATOR
1only adjective 1 : unquestionably the best
2 : alone in a class or category : SOLE
Synonyms
[1] incomparable, inimitable, matchless, nonpareil, peerless, unequaled, unmatched, unparalleled, unrivaled, unsurpassed; also A1, bang-up, banner, capital, classic, dandy, excellent, fabulous, fine, first-rate, grand, great, groovy, jim-dandy, keen, marvelous, mean, neat, par excellence, prime, superb, superior, superlative, terrific, tip-top, top-notch; better, preferred; exceptional, fancy, special
[2] alone, lone, singular, sole, solitary, special, unique; also solo, unaccompanied, unattended; incomparable, inimitable, matchless, peerless, unequaled, unmatched, unparalleled, unrivaled, unsurpassed; distinct, distinctive, individual, separate
2only adverb 1 : as a single fact or instance and nothing more or different : MERELY, JUST <~ $2>
2 : to the exclusion of all else : SOLELY 3 : at the very least 4 : as a final result 5 : in the immediate past
Synonyms
[2] alone, exclusively, just, simply, solely—more at SOLELY
[5] freshly, just, late, lately, new, newly, now, recently—more at NEWLY
3only conjunction : except that
Synonyms
but, except, yet—more at EXCEPT
on·o·mato·poe·ia noun [ORIGIN: LL, fr. Gk onomatopoiia, fr. onoma name + poiein to make]
1 : formation of words in imitation of natural sounds (as buzz or hiss)
2 : the use of words whose sound suggests the sense
— on·o·mato·poe·ic or on·o·mato·po·et·ic adjective
— on·o·mato·poe·i·cal·ly or on·o·mato·po·et·i·cal·ly adverb
On·on·da·ga noun, plural -ga or -gas : a member of an American Indian people of New York and Canada
on·rush noun : a rushing onward
— on·rush·ing adjective
Synonyms
advance, advancement, furtherance, headway, march, passage, process, procession, progress, progression—more at ADVANCE
on–screen adverb or adjective : on a screen (as of a computer or television)
on·set noun 1 : the act of attacking with physical force or unfriendly words : ATTACK
2 : the point at which something begins : BEGINNING
Synonyms
beginning, birth, commencement, dawn, genesis, launch, morning, outset, start, threshold—more at BEGINNING
on·shore adjective 1 : moving toward the shore
2 : situated on or near the shore
— on·shore adverb
on·slaught noun : a fierce attack; also : something resembling such an attack Synonyms
aggression, assault, attack, charge, descent, offense, offensive, onset, raid, rush, strike—more at ATTACK
Ont abbreviation Ontario
on·to preposition : to a position or point on
onus noun 1 : BURDEN
2 : OBLIGATION
3 : BLAME
1onward also on·wards adverb : toward or at a point lying ahead in space or time : FORWARD
Synonyms
ahead, along, forth, forward, on, onward—more at ALONG
2onward adjective :