"a disadvantageous position" is correct and usable in written English.
You can use it to refer to a situation that puts someone or something in a less favorable state. For example: "Due to the company's lack of resources, it is in a disadvantageous position to compete with its larger competitors."
5.11pm BST Ronnie might have taken on the yellow, chose not to, and found himself in a disadvantageous position when Selby hit it next go.
For a nation with historical pretensions of playing an important role in its immediate neighborhood, such a disadvantageous position only enhances the lure of nuclear arms.
The excellent René Pape is an amusingly avuncular yet still authoritative King, and the fine baritone Zeljko Lucic sings the Herald from a disadvantageous position in the rear of the stage.
This means referees cannot watch all parts of the scrum and players know that if they get one element wrong, they are in a disadvantageous position and are likely to get pushed backwards.
Women experience the pressures of child rearing; because of their lack of work experience, many are in a disadvantageous position in the job market and need to acquire financial support by means of remarriage.
More than that, this section revealed that Yemen is in a disadvantageous position in relation to several factors associated with child malnutrition compared to the groups of countries they belong to (the LDCs and MENA region).
Practice this elbow-spin though, if you don't hit him, you'll look like a fool and be in a very disadvantageous position.
SMEs from developing countries or emerging markets seem to experience the liability of foreignness and exhibit a more disadvantageous position when venturing abroad compared to those from a relatively more advanced economy (Zhou et al. 2010).
By using a daring feint Rehnskiöld managed to lure Schulenburg into a more disadvantageous position near Wschowa (Fraustadt), where the two armies clashed on February 13.
