insincere

If you say that someone is insincere, you are being critical of them because they say things they do not really mean, usually pleasant, admiring, or encouraging things.

Ex: He is an insincere person

bland

If you describe someone or something as bland, you mean that they are rather dull and unexciting.

Ex: a bland diet

bland 1. dull, boring, plain, flat, dreary, run-of-the-mill, uninspiring, humdrum. exciting 2. tasteless, insipid, flavourless, thin...

appealing

Someone or something that is appealing is pleasing and attractive.

Ex: an appealing smile

appealing attractive, engaging, charming, desirable, alluring, winsome. repellent...

alienation

If you alienate someone, you make them become unfriendly or unsympathetic towards you.

Ex: She was alienated from her sister by her follies.

alienate antagonize, anger, annoy, offend, irritate, hassle, estrange...

adjust

When you adjust to a new situation, you get used to it by changing your behaviour or your idea.

Ex: I adjust the volume of music.

adjust 1. adapt, change, alter, accustom, conform 2. change, reform, alter, adapt, revise, modify, amend, make conform 3. modify, alter...

adapt

If you adapt to a new situation or adapt yourself to it, you change your ideas or behaviour in order to deal with it successfully.

Ex: I adapt to life in America.

adapt 1. adjust, change, alter, modify, accommodate, conform, acclimatize 2. convert, change, transform, alter, modify, tailor, remodel.