N2 — outside your level filter

たいして〜ない

たいして〜ないtaishite naiN2neutral

not particularly — falls short of a degree someone had in mind + savor + not

taishite ajiwawanai

not particularly — falls short of a degree someone had in mind

meaning: don't particularly savor

多少たしょうの遅おくれなら、たいして味あじわわない。

tashou no okure nara, taishite ajiwawanai.

If it's only a slight delay, I don't particularly savor. neutral

高たかそうに見みえるけど、たいして高たかくないよ。

takasou ni mieru kedo, taishite takakunai yo.

It looks pricey, but it's not that dear really. casual

All examples4

not particularly; nothing much — falls short of what was expected

多少たしょうの遅おくれなら、たいして気きにしない。
tashou no okure nara, taishite kinishinai.
If it's only a slight delay, I don't particularly mind. neutral
高たかそうに見みえるけど、たいして高たかくないよ。
takasou ni mieru kedo, taishite takakunai yo.
It looks pricey, but it's not that dear really. casual
新あたらしい機能きのうは、使つかってみるとたいして便利べんりではなかった。
atarashii kinou wa, tsukatte miru to taishite benri de wa nakatta.
The new feature turned out not to be particularly useful in practice. neutral
お手伝てつだいできたのは、大たいしたことではございません。
o tetsudai dekita no wa, taishita koto de wa gozaimasen.
What I was able to help with was nothing to speak of. formal

大たいしてtaishitealternant
the kanji spelling; kana is commoner, and neither shape changes the requirement for a negative to follow.
大たいしたtaishita＋名詞めいしadnominal
the noun-modifying shape, which puts the negative on です／だ — 大たいしたことではない, clipped in speech to 大たいしたことない.