Words Containing: I,N,S,T,I,L,S

• the sound made by something moving rapidly or by steam coming out of a small aperture

• the act of whistling a tune

• the act of signalling (e.g., summoning) by whistling or blowing a whistle

• a state characterized by foul or disgusting dirt and refuse

• moral corruption or pollution

• The first produce or result, notably firstborn offspring.

• The first of a class or kind.

• The thing first thought or done.

• A line between an observer or a piece of optical equipment and an object of interest; line of sight.

• Furtive, stealthy or catlike.

• Thin; lank; lean.

• Of a garment: close-fitting; clingy.