on approval
on approval 1. स्वीकृत~होने~पर "UN proposed items can only be accepted on approval of the purchasing committee."

on boarda ship or an aircraft
on board(a ship or an aircraft) 1. जहाज~पर "All the passengers on board Boeing plane were killed in the air crash."

on fileon the files
on file/on the files 1. सूचना~रखना "We have all the information on our employees on files."

on stand by
on stand by 1. तैयार{किसी चीज़, व्यक्ति के सथान पर प्रयुक्त किये जाने वाली चीज़, व्यक्ति} "Our cricket players should be on stand by for unexpected cricket match." "Colgate toothpaste is a good stand by for using daily."

once
once 1. एक~बार "once I ran into her." 2. पहले "once he loved her."

onceagain
once-again 1. एक बार और "I will tell you how to do it once again."

onceandforall
once-and-for-all 1. आखरी बार "I'm warning you once and for all."

one
one 1. एक "I have one nice pen."

oneness
oneness 1. एकता "They felt a sense of oneness with nature."

onerous
onerous 1. भारी "He has to do onerous duties."

ones own flesh and blood
one's own flesh and blood 1. नज़दीकी रिश्तेदार "He always takes care of the needs of his own flesh and blood."

ones pound of flesh
one's pound of flesh 1. स्थिति का लाभ उठाना "Though he helped his friend in time of need, but extracted his pound of flesh when the time came."

oneself
oneself 1. स्वयं, खुद "One has to live for oneself."

onfire
on-fire 1. जलता~हुआ "The house is on-fire."

onion
onion 1. प्याज़ "Onions have a stong smell and odour."

onlooker
onlooker 1. तमाशबीन, दर्शक "There were more onlookers at the accident site than the people who would help."

only
only 1. अकेला "Only he could do such a foolish thing." only 1. सिर्फ़ "He arrived only to find his wife dead."

only skin and bone
Only skin and bone 1. हडीला "She is only skin and bone."

onset
onset 1. शुरुआत "At the very onset of his speech he started off in a fiery manner."

onslaught
onslaught 1. भीषण आक्रमण "Survive an onslaught by enemy forces."

onthewing
on-the-wing 1. उड़ता~हुआ "The plane is on the wing."

onto
onto 1. पर "The drink was dripping onto the floor." 2. पीछे~पड़ना[होना] "His opponents are onto him for his public statements against the."

onus
onus 1. दायित्व "The onus of wrong-doing falls on her."

onward
onward 1. बढ़ते हुए "They continued the onward march." onward 1. आगे "The library is open from 7.am onwards."

onyx
onyx 1. सुलेमानी पत्थर "She was wearing an anyx ring on her finger."