Verbs that start with O

Verb

+ Definition

Simple Forms

(Past, present, future)

Progressive Forms

(Past, present, future)

Perfect Forms

(Past, present, future)

Obey

To submit to (someone’s) authority or abide by (a law)

SIMPLE:

obeyed

obey

will/shall obey

PROGRESSIVE:

was/were obeying

is/am/are obeying

will/shall be obeying

PERFECT:

had obeyed

has/have obeyed

will/shall have obeyed

Observe

to look or perceive (something) and consider it important

SIMPLE:

observed

observe

will/shall observe

PROGRESSIVE:

was/were observing

is/am/are observing

will/shall be observing

PERFECT:

had observed

has/have observed

will/shall have observed

Obtain

to get, acquire, or secure (something)

SIMPLE:

obtained

obtain

will/shall obtain

PROGRESSIVE:

was/were obtaining

is/am/are obtaining

will/shall be obtaining

PERFECT:

had obtained

has/have obtained

will/shall have obtained

Object

to show one’s disapproval or dissatisfaction with anything, say something

SIMPLE:

objected

object

will/shall object

PROGRESSIVE:

was/were objecting

is/am/are objecting

will/shall be objecting

PERFECT:

had objected

has/have objected

will/shall have objected

Obstruct

to block a path, road, entrance, etc. or come in the way of

SIMPLE:

obstructed

obstruct

will/shall obstruct

PROGRESSIVE:

was/were obstructing

is/am/are obstructing

will/shall be obstructing

PERFECT:

had obstructed

has/have obstructed

will/shall have obstructed

Occur

to take place

SIMPLE:

occurred

occur

will/shall occur

PROGRESSIVE:

was/were occurring

is/am/are occurring

will/shall be occurring

PERFECT:

had occurred

has/have occurred

will/shall have occurred

Offer

to deliver anything to someone for them to accept or reject as they see fit

SIMPLE:

offered

offer

will/shall offer

PROGRESSIVE:

was/were offering

is/am/are offering

will/shall be offering

PERFECT:

had offered

has/have offered

will/shall have offered

Offend

to annoy, irritate, or insult, be it intentionally or unintentionally

SIMPLE:

offended

offend

will/shall offend

PROGRESSIVE:

was/were offending

is/am/are offending

will/shall be offending

PERFECT:

had offended

has/have offended

will/shall have offended

Omit

to either deliberately or unintentionally exclude (someone or something)

SIMPLE:

omitted

omit

will/shall omit

PROGRESSIVE:

was/were omitting

is/am/are omitting

will/shall be omitting

PERFECT:

had omitted

has/have omitted

will/shall have omitted

Open

to make room for access and visibility

SIMPLE:

opened

open

will/shall open

PROGRESSIVE:

was/were opening

is/am/are opening

will/shall be opening

PERFECT:

had opened

has/have opened

will/shall have opened

Operate

when person uses their ability to direct the activities of (a machine, process, or system)

SIMPLE:

operated

operate

will/shall operate

PROGRESSIVE:

was/were operating

is/am/are operating

will/shall be operating

PERFECT:

had operated

has/have operated

will/shall have operated

Optimize

to utilize in the finest or most efficient manner (a situation or resource)

SIMPLE:

optimized

optimize

will/shall optimize

PROGRESSIVE:

was/were optimizing

is/am/are optimizing

will/shall be optimizing

PERFECT:

had optimized

has/have optimized

will/shall have optimized

Opt

to make a decision among a variety of options

SIMPLE:

opted

opt

will/shall opt

PROGRESSIVE:

was/were opting

is/am/are opting

will/shall be opting

PERFECT:

had opted

has/have opted

will/shall have opted

Option

to purchase or sell an option (as opposed to a single share of a stock)

SIMPLE:

optioned

option

will/shall option

PROGRESSIVE:

was/were optioning

is/am/are optioning

will/shall be optioning

PERFECT:

had optioned

has/have optioned

will/shall have optioned

Organize

to systematically set up; order

SIMPLE:

organized

organize

will/shall organize

PROGRESSIVE:

was/were organizing

is/am/are organizing

will/shall be organizing

PERFECT:

had organized

has/have organized

will/shall have organized

Order

to offer someone strict direction to perform anything

SIMPLE:

ordered

order

will/shall order

PROGRESSIVE:

was/were ordering

is/am/are ordering

will/shall be ordering

PERFECT:

had ordered

has/have ordered

will/shall have ordered

Overhaul

to inspect and maybe repair (a piece of machinery or equipment), take it apart

SIMPLE:

overhauled

overhaul

will/shall overhaul

PROGRESSIVE:

was/were overhauling

is/am/are overhauling

will/shall be overhauling

PERFECT:

had overhauled

has/have overhauled

will/shall have overhauled

Overload

to put an excessive amount of weight or cargo on something

SIMPLE:

overloaded

overload

will/shall overload

PROGRESSIVE:

was/were overloading

is/am/are overloading

will/shall be overloading

PERFECT:

had overloaded

has/have overloaded

will/shall have overloaded

Overflow

(Especially of a liquid) to pour over a container’s brim

SIMPLE:

overflowed

overflow

will/shall overflow

PROGRESSIVE:

was/were overflowing

is/am/are overflowing

will/shall be overflowing

PERFECT:

had overflowed

has/have overflowed

will/shall have overflowed

Overcome

to successfully handle (a problem or difficulty)

SIMPLE:

overcame

overcome

will/shall overcome

PROGRESSIVE:

was/were overcoming

is/am/are overcoming

will/shall be overcoming

PERFECT:

had overcome

has/have overcome

will/shall have overcome