As plain as a pikestaff and Ill-favoured

Ill-favoured and as plain as a pikestaff are semantically related. In some cases you can use "Ill-favoured" instead an adjective phrase "As plain as a pikestaff".

Ill-favoured adjective - Usually used of a face.

As plain as a pikestaff and ill-favoured are semantically related. Sometimes you can use "As plain as a pikestaff" instead an adjective phrase "Ill-favoured".