thistlelike

As a noun terms

is .

As an adjective thistlelike is

having the form or characteristics of a thistle.

As adjectives the difference between thistlelike and whistlelike

is that thistlelike is having the form or characteristics of a thistle while whistlelike is resembling or characteristic of a whistle (shrill high-pitched sound).

As a noun thistle

is any of several perennial composite plants, especially of genera cirsium'', ''carduus'', ''cynara or , having prickly leaves and showy flower heads with prickly bracts.

As an adjective thistlelike is

having the form or characteristics of a thistle.