Guess the meaning of a word from the prefix, suffix, root
Although the company's income from sales was higher than expected, its high costs in the form of salaries and other overheads put it in a
disadvantageous position.
dis- is the prefix; advantage is the root and -ous is the suffix.
it is probably an adjective, because it ends in -ous, which is a common suffix for adjectives
it is probably negative, because it begins with a negative prefix dis-
its meaning is probably opposite to the root of the word, advantage