onion
onion - cibule
BrE
/'ʌnjən/
AmE
/'ʌnjən/

noun - a kind of vegetable with many layers, it is used in cooking and has a very strong smell, which often makes people cry

oil
oil - olej
BrE
/'ɔɪl/
AmE
/'ɔɪl/

noun - a kind of greasy liquid that comes from a variety of plants, such as sunflower or olives, which is used for frying etc.

obstinate
obstinate - tvrdohlavý, umíněný
BrE
/'ɒbstɪnət/
AmE
/'ɑ:bstɪnət/

adjective - refusing to change opinion or decisions, not willing to do what people want

 
ordinary - běžný, normální
BrE
/'ɔ:dɪnəri/
AmE
/'ɔ:rdɪneri/

adjective - average and normal, not different from others

ouch
ouch - jauvajs, au
BrE
/'aʊtʃ/
AmE
/'aʊtʃ/

interjection - an exclamation you use when you feel pain, especially when it comes suddenly

 
overgrown - přerostlý, zarostlý
BrE
/ˌəʊvə'grəʊn/
AmE
/ˌoʊvər'groʊn/

adjective - covered with plants that have grown too much

 
overlook - mít výhled na
BrE
/ˌəʊvə'lʊk/
AmE
/ˌoʊvər'lʊk/

verb - to be in a place from which you can easily see over something or down on something

 
otherwise - kromě toho, jinak
BrE
/'ʌðəwaɪz/
AmE
/'ʌðərwaɪz/

adverb - except for something that has been said or written

owl
owl - sova
BrE
/'aʊl/
AmE
/'aʊl/

noun - a bird that flies and hunts small animals at night

ostrich
ostrich - pštros
BrE
/'ɒstrɪtʃ/
AmE
/'ɑ:strɪtʃ/

noun - a very large bird from Africa, it has got a long neck and legs and can run very fast and cannot fly

orangutan
orangutan - orangutan
BrE
/ə'ræŋgjʊˌtæn/
AmE
/ə'ræŋgjʊˌtæn/

noun - a large ape with long arms and red fur

octopus
octopus - chobotnice
BrE
/'ɒktəpəs/
AmE
/'ɑ:ktəpəs/

noun - a sea animal with eight strong arms and a head

old
old - starý
BrE
/'əʊld/
AmE
/'oʊld/

adjective - not young or new

 
outdoors - venku
BrE
/aʊt'dɔ:z/
AmE
/aʊt'dɔ:rz/

adverb - outside a building

one
one - jedna
BrE
/'wʌn/
AmE
/'wʌn/

determiner - 1