Prices of food are tending upwards.
We often add the suffix 'wards' to a preposition or adverb of movement to mean 'in this direction', e.g. forwards, backwards, inwards, outwards, upwards, downwards
The kite soared upwards with the swiftness of a bird.
Even a simple burger costs upwards of $20 We accept 16-year-olds and upwards (people who are 16 and older than 16)
... the government already revised upwards several times its solar...
English word "omhoog"(upwards) occurs in sets:studybox 2 h1Engels H1 S2A3 ENG H2 L2