on a regular basis
— Adverb
– English
～ in a regular manner; "letters arrived regularly from his children"
on request
— Adverb
– English
～ on the occasion of a request; "advice was free for the asking"
one-sidedly
— Adverb
– English
～ in a unilateral manner; by means of one part or party; "they worked out an agreement unilaterally"
out of sight
— Adverb
– English
～ quietly in concealment; "he lay doggo"
out of sight
— Adverb
– English
～ no longer visible; "the ship disappeared behind the horizon and passed out of sight"
or so
— Adverb
– English
～ (of quantities) imprecise but fairly close to correct; "lasted approximately an hour"; "in just about a minute"; "he's about 30 years old"; "I've had about all I can stand"; "we meet about once a month"; "some forty people came"; "weighs around a hundred pounds"; "roughly $3,000"; "holds 3 gallons, more or less"; "20 or so people were at the party"
of a sudden
— Adverb
– English
～ happening unexpectedly; "suddenly she felt a sharp pain in her side"
on that
— Adverb
– English
～ on that; "text and commentary thereon"
out of the blue
— Adverb
– English
～ in a way that was not expected; "her brother showed up at the wedding out of the blue"
on the Q.T.
— Adverb
– English
～ in secrecy; not openly; "met secretly to discuss the invasion plans"; "the children secretly went to the movies when they were supposed to be at the library"; "they arranged to meet in secret"
one after the other
— Adverb
– English
～ following one another in quick succession
off-the-clock
— Adverb
– English
～ overtime without extra compensation; "she often has to work off-the-clock"
on the other hand
— Adverb
– English
～ (contrastive) from another point of view; "on the other hand, she is too ambitious for her own good"; "then again, she might not go"
on the QT
— Adverb
– English
～ in secrecy; not openly; "met secretly to discuss the invasion plans"; "the children secretly went to the movies when they were supposed to be at the library"; "they arranged to meet in secret"
on the spur of the moment
— Adverb
– English
～ on impulse; without premeditation; "he decided to go to Chicago on the spur of the moment"; "he made up his mind suddenly"
on the sly
— Adverb
– English
～ in a furtive manner; "the soldiers were furtively crawling through the night"
on the button
— Adverb
– English
～ just as it should be; "`Precisely, my lord,' he said"
off the cuff
— Adverb
– English
～ without preparation; "the presidential candidate made a remark off the cuff"
on the average
— Adverb
– English
～ typically; "on average he watches three movies a week"
on the face of it
— Adverb
– English
～ from appearances alone; "irrigation often produces bumper crops from apparently desert land"; "the child is seemingly healthy but the doctor is concerned"; "had been ostensibly frank as to his purpose while really concealing it"-Thomas Hardy; "on the face of it the problem seems minor"