The phrase "are rather insignificant" is correct and usable in written English.
It can be used to describe something that is of little importance or value in a given context.
Example: "While the details of the report are rather insignificant, the overall findings are crucial for our decision-making."
Alternatives: "are quite trivial" or "are of little consequence."
Those properties are rather insignificant compared with the luxury villas in Dubai, where shareholders hold far more lucrative investments directly linked to the losses from Kabul Bank.
At this level, technological parameters are rather insignificant for the accuracy of mapping the system to be modelled [44].
We note that, while in terms of sheer number 1B contains more Modern composers, they are rather insignificant compared with others, mainly late Baroque and Classical (the mean degree of Modern composers in the Community is 19.9, while it is 77.8 for the rest).
NK: There's a very pronounced political dimension to the Sucre: Hugo Chavez has remarked that the Sucre "will help us to overthrow the dictatorship of the dollar". Yet, ALBA nations are rather insignificant economically at the global level.
Poverty, malnutrition, inequality, as well as other social issues reach their extremes in developing countries (Acevedo Tirado et al. 2015), whereas such social problems seem to be rather insignificant in developed countries.
However, in the case of a perfusive column, size exclusion effects were rather insignificant.
The higher modes of oscillation have smaller periods, and their influence is rather insignificant in the overall platform motion.
It was used to suggest that the meeting was rather insignificant — a disappointment to all involved — and didn't go anywhere.
Clay and its dispersion effect that conventionally claimed to enhance the tensile properties were rather insignificant under this condition of confined deformation of the cutting design.
