Do you find yourself stumped for words when trying to express yourself clearly? Finding the perfect word or phrase to communicate a concept can be challenging. Knowing an expansive collection of synonyms starting with O is essential for crafting concise and articulate essays, speeches, stories – anything that requires delivery at a higher level of sophistication. Whether in your daily conversations or creative writing endeavors, these 100 synonyms are sure to help convey exactly what you mean no matter the context. So sit back and broaden your vocabulary today by exploring this comprehensive list of words beginning with the letter “O”.
Synonyms With O
| Words | Synonyms |
| Offensive | prolong, loiter |
| Opaque | inattentive |
| Obstinate | Unregenerate |
| Ordinal | Zillion |
| Odious | generous |
| Old | Worn |
| Oracular | rational, sound |
| Obvious | bound, accountable |
| Ornamental | entice, attract |
| Obstruct | merciful |
| Offspring | indifferent |
| Occult | magnanimous |
| Ordain | insanity, delusion |
| Outbreak | palatable |
| Outrage | delicious |
Top 100 Synonyms With Letter O
- Opportunity: possibility, chance
- Objective: goal, aim
- Outcome: result, consequence
- Obligation: duty, responsibility
- Obvious: clear, evident
- Observation: scrutiny, inspection
- Occurrence: incident, event
- Offense: transgression, wrongdoing
- Original: authentic, genuine
- Official: authorized, formal
- Opinion: belief, viewpoint
- Occasion: event, circumstance
- Overcome: conquer, defeat
- Objective: impartial, unbiased
- Ongoing: continuous, uninterrupted
- Ordinary: common, usual
- Orientation: direction, alignment
- Origin: source, beginning
- Overwhelm: inundate, overpower
- Open: unlocked, unsealed
- Overlook: ignore, neglect
- Outstanding: exceptional, remarkable
- Optimistic: hopeful, positive
- Offer: propose, present
- Operate: function, work
- Opposition: resistance, hostility
- Owe: be indebted, be obligated
- Occupy: reside, inhabit
- Objection: protest, dissent
- Organize: arrange, systematize
- Order: command, instruction
- Occasional: sporadic, infrequent
- Onset: beginning, start
- Oath: pledge, vow
- Obliterate: erase, destroy
- Overjoyed: ecstatic, delighted
- Observe: watch, notice
- Optimize: enhance, improve
- Outrageous: shocking, scandalous
- Opportunity: opening, prospect
- Oversee: supervise, manage
- Overpower: subdue, overwhelm
- Overcome: surpass, excel
- Outdated: obsolete, antiquated
- Objective: factual, realistic
- Obligatory: mandatory, compulsory
- Operative: effective, functional
- Opportunity: break, occasion
- Outspoken: frank, candid
- Overindulge: indulge, pamper
- Outperform: excel, outdo
- Outset: start, beginning
- Occur: happen, transpire
- Occasional: occasional, sporadic
- Obsolete: outdated, antiquated
- Ongoing: ongoing, continuing
- Offend: insult, hurt
- Optimism: hopefulness, confidence
- Organized: ordered, systematic
- Obvious: noticeable, apparent
- Obstruct: block, hinder
- Overstate: exaggerate, overemphasize
- Overlook: miss, ignore
- Overwhelmed: swamped, inundated
- Overpowering: overwhelming, dominating
- Overly: excessively, overly
- Overabundance: excess, surplus
- Overture: proposal, opening
- Overriding: predominant, principal
- Overthrow: topple, overthrow
- Obviate: prevent, avert
- Onward: forward, ahead
- Omniscient: all-knowing, wise
- Oneness: unity, wholeness
- Obedience: compliance, submission
- Obstinate: stubborn, unyielding
- Oblivious: unaware, ignorant
- Oblivion: forgetfulness, obscurity
- Obsequious: servile, subservient
- Obsession: fixation, preoccupation
- Oblique: slanting, indirect
- Oak: timber, tree
- Oar: paddle, scull
- Oath: pledge, promise
- Oboe: wind instrument, reed
- Occur: happen, transpire
- Ocean: sea, deep
- Odyssey: journey, adventure
- Offend: insult, outrage
- Office: workplace, bureau
- Often: frequently, regularly
- Oh: ah, ooh
- Oil: lubricant, grease
- Okay: fine, all right
- Old: ancient, elderly
- Omen: portent, sign
- On: upon, atop
- One: single, solitary
- Onion: bulb, vegetable
- Only: solely, exclusively
- Open: unlock, unseal
Synonyms Starting With Letter O – Pictures
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