This is the 5570th most frequent Japanese word.
ぎすぎす
Lacking friendliness; tense or strained.
In this context, 'ぎすぎす' describes an unfriendly or strained atmosphere or behavior.
彼のぎすぎすした態度は全員に不快感を与えました。
His tense attitude caused discomfort to everyone.
Here, 'ぎすぎす' conveys an emotionally tense or uncomfortable environment in a location.
この部屋にはぎすぎすした空気が漂っているようだ。
It seems that a tense air is lingering in this room.
In this sentence, 'ぎすぎす' refers to an awkward or strained interaction between people.