This is the 743rd most frequent Ukrainian word.
менш
"Менш" means "less" in English.
In this comparative construction, 'менш' is used to indicate a lower degree of the adjective 'високий' (tall).
Цей будинок менш високий, ніж той.
This building is less tall than that one.
Here, 'менш' modifies the noun 'часу' (time), indicating a smaller amount or degree.
Він витрачає менш часу на це завдання.
He spends less time on this task.
In this sentence, 'менш' refers to a reduced focus on the subject 'сумніви' (doubts).