Tightly vs Strictly - What's the difference?

As adverbs the difference between tightly and strictly

is that tightly is in a tight manner while strictly is in a strict manner.

(en adverb)

In a tight manner.

tightly clenched fingers

(en-adv)

In a strict manner.

He adhered strictly to the diet his doctor prescribed.

In a limited manner; only

This work was strictly voluntary, but any animal who absented himself from it would have his rations reduced by half.

In a narrow or limited sense.

That term refers strictly to smaller birds.